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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>中国人口流动大潮</title>
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font-family: "Microsoft YaHei" !important;
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h1 {
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background-repeat: repeat;
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padding-top: 15px;
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p {
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padding: 0 15px;
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border-top-width: 1px;
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border-top-style: dashed;
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border-top-color: #699;
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padding-top: 15px;
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padding-bottom: 15px;
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background-repeat: repeat;
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margin-right: 0px;
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margin-bottom: 0px;
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#main{
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background-image: url(../../../asset/img/groovepaper.png);
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background-repeat: repeat;
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color:#62C462
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</head>
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<body>
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<h1>中国人口流动大潮1987-2011（单位：万人）</h1>
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<p>自上世纪90年代以来，随着中国社会经济的发展和城市化进程的加快，人口的迁移和移动已经愈发频繁。国家统计局公布的数据显示，2012年我国流动人口数量达2.36亿人，相当于每六个人中有一个是流动人口。</p>
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<p>探讨的流动人口，是指以中国城乡二元社会结构和特有的户籍政策为前提，其就业、生活或学习所在地与其户籍所在地处于分离状态的人口，它与其他国家的人口自由迁移现象存在着差异。
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中国人口的大规模流动，是自20世纪80年代改革开放以来随着农村户籍居民离开本乡本土进城或外出务工而出现的社会现象，它表现出明显的中国时代特色：</p>
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<div class="select_box"><form id="form1" name="form1" method="post" action="">
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<label for="year">请选择年份</label>
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<select name="year" id="year">
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<option>1987</option>
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<option>1988</option>
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<option>1989</option>
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<option>1990</option>
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<option>1991</option>
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<option>1992</option>
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<option>1993</option>
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<option>1994</option>
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<option>1995</option>
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<option>1996</option>
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<option>1997</option>
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<option>1998</option>
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<option>1999</option>
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<option>2000</option>
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<option>2001</option>
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<option>2002</option>
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<option>2003</option>
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<option>2004</option>
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<option>2005</option>
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<option>2006</option>
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<option>2007</option>
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<option>2008</option>
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<option>2009</option>
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<option>2010</option>
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<option selected="selected">2011</option>
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</select>
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</form></div>
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<div id="main" style="height:500px;border:1px solid #ccc;padding:20px;"></div>
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<script src="../../www/js/echarts.js"></script>
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<script src="js/data-people.js"></script>
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<script type="text/javascript">
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require.config({
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paths:{
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echarts: '../../www/js'
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}
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});
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var myChart;
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var colorList;
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require(
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[
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'echarts',
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'echarts/chart/bar',
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'echarts/chart/line',
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'echarts/chart/map'
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],
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function (ec) {
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colorList = require('zrender/tool/color').getGradientColors(
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['red','yellow','lightskyblue'], 10
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);
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//console.log(colorList)
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myChart = ec.init(document.getElementById('main'));
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//myChart.setOption(option);
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yearSelector.onchange();
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window.onresize = myChart.resize;
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var ecConfig = require('echarts/config');
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myChart.on(ecConfig.EVENT.MAP_SELECTED, mapSelected);
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}
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);
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var selected;
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function mapSelected(param){
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selected = param.selected;
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var mapSeries = option.series[0];
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var data = [];
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var legendData = [];
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var legendData = [];
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var name;
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option.series = option.series.slice(0,1);
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for (var p = 0, len = mapSeries.data.length; p < len; p++) {
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name = mapSeries.data[p].name;
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mapSeries.data[p].selected = selected[name];
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if (selected[name]) {
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//option.yAxis[0].name = name + ' 人口流动情况';
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var tarIdx;
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for (var i = 0, l = pList.length; i < l; i++) {
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if (pList[i] == name) {
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tarIdx = i;
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break;
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}
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}
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for (var i = 1987; i <= 2011; i++) {
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data.push(dataPeople[i][tarIdx]);
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}
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option.series.push({
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name : name,
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type:'line',
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tooltip: {
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trigger: 'axis'
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},
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data: data
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});
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legendData.push(name);
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data = [];
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}
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}
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//option.series[1].data = data;
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option.legend.data = legendData;
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myChart.setOption(option, true);
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}
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var yearSelector = document.getElementById('year');
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yearSelector.onchange = function (e){
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var curYear = yearSelector.selectedOptions[0].innerHTML;
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option.title.text = '中国人口流动图示 (' + curYear + ')';
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var max = dataPeople[curYear + 'max'];
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var min = dataPeople[curYear + 'min'];
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var gap = (max - min) / 5;
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/*
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var legendData = [
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Math.round(min + 4 * gap) + '以上',
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Math.round(min + 3 * gap) + ' ~' + Math.round(min + 4 * gap),
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Math.round(min + 2 * gap) + ' ~' + Math.round(min + 3 * gap),
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Math.round(min + gap) + ' ~' + Math.round(min + 2 * gap),
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Math.round(min + gap) + '以下',
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];
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option.legend.data = legendData;
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*/
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option.dataRange.max = max;
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option.dataRange.min = min;
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if (min >= 0) {
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//双正
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option.dataRange.color = [colorList[0], colorList[10]];
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/*
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option.color = require('zrender/tool/color').getStepColors(
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colorList[0], colorList[10], 5
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)
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*/
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//option.color = [colorList[0], colorList[2], colorList[4], colorList[7], colorList[10]];
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}
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else if (max >= 0 && min <= 0) {
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//正负
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var first = Math.round(10 - max / (max - min) * 10);
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var end = Math.round(min / (min - max) * 10 + 10);
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option.dataRange.color = [
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colorList[first],
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colorList[Math.round((end - first) / 2 + first)],
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colorList[end]
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];
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//console.log(first,end);
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/*
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option.color = [
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colorList[first], colorList[first + 2],
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option.dataRange.color[1],
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colorList[end - 2], colorList[end]
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];
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*/
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}
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else {
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//双负
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option.dataRange.color = [colorList[11], colorList[20]];
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/*
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option.color = require('zrender/tool/color').getStepColors(
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colorList[11], colorList[20], 5
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)
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*/
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//option.color = [colorList[11], colorList[13], colorList[15], colorList[17], colorList[20]];
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}
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//console.log(option.color,option.dataRange.color)
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option.series[0].data = dataPeople[curYear];
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/*
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for (var i = 0; i <= 4; i++) {
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option.series[i + 1].name = legendData[i];
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}
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*/
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if (selected) {
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mapSelected({selected:selected});
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}
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else{
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myChart.setOption(option, true);
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}
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}
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</script>
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<div class="footer">
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<p>© 2014 Data Journalism Workshop（华媒基金会 · 数据新闻工作坊） · 孟立昕（腾讯）· 王飞宇（证券时报） · 颜冬（视觉中国） · <a href="http://weibo.com/kenerlinfeng" target="_blank">林峰</a>（百度）</p>
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<p><a href="http://echarts.baidu.com" target="_blank">Data Visualization by ECharts</a></p>
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