有对echart气泡图比较了解的吗 怎么让气泡图的小圆圈不重叠，并且怎么设置他们之间的间隔

Question

// 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));
        var option;
        var hours = ['1周', '2周', '3周', '4周', '5周', '6周', '7周',
        '8周', '9周', '10周','11周','12周',
        '13周', '14周', '15周', '16周', '17周', '18周',
        '19周', '20周', '21周', '22周', '23周', '24周'];
        var provice = ['海南', '湖北', '河北',
                '广东', '天津', '黑龙江', '甘肃'];
        
        var data = [[0,0,5],[0,1,1],[0,2,0],[0,3,0],[0,4,0],[0,5,0],[0,6,0],[0,7,0],[0,8,0],[0,9,0],[0,10,0],[0,11,2],[0,12,4],[0,13,1],[0,14,1],[0,15,3],[0,16,4],[0,17,6],[0,18,4],[0,19,4],[0,20,3],[0,21,3],[0,22,2],[0,23,5],[1,0,7],[1,1,0],[1,2,0],[1,3,0],[1,4,0],[1,5,0],[1,6,0],[1,7,0],[1,8,0],[1,9,0],[1,10,5],[1,11,2],[1,12,2],[1,13,6],[1,14,9],[1,15,11],[1,16,6],[1,17,7],[1,18,8],[1,19,12],[1,20,5],[1,21,5],[1,22,7],[1,23,2],[2,0,1],[2,1,1],[2,2,0],[2,3,0],[2,4,0],[2,5,0],[2,6,0],[2,7,0],[2,8,0],[2,9,0],[2,10,3],[2,11,2],[2,12,1],[2,13,9],[2,14,8],[2,15,10],[2,16,6],[2,17,5],[2,18,5],[2,19,5],[2,20,7],[2,21,4],[2,22,2],[2,23,4],[3,0,7],[3,1,3],[3,2,0],[3,3,0],[3,4,0],[3,5,0],[3,6,0],[3,7,0],[3,8,1],[3,9,0],[3,10,5],[3,11,4],[3,12,7],[3,13,14],[3,14,13],[3,15,12],[3,16,9],[3,17,5],[3,18,5],[3,19,10],[3,20,6],[3,21,4],[3,22,4],[3,23,1],[4,0,1],[4,1,3],[4,2,0],[4,3,0],[4,4,0],[4,5,1],[4,6,0],[4,7,0],[4,8,0],[4,9,2],[4,10,4],[4,11,4],[4,12,2],[4,13,4],[4,14,4],[4,15,14],[4,16,12],[4,17,1],[4,18,8],[4,19,5],[4,20,3],[4,21,7],[4,22,3],[4,23,0],[5,0,2],[5,1,1],[5,2,0],[5,3,3],[5,4,0],[5,5,0],[5,6,0],[5,7,0],[5,8,2],[5,9,0],[5,10,4],[5,11,1],[5,12,5],[5,13,10],[5,14,5],[5,15,7],[5,16,11],[5,17,6],[5,18,0],[5,19,5],[5,20,3],[5,21,4],[5,22,2],[5,23,0],[6,0,1],[6,1,0],[6,2,0],[6,3,0],[6,4,0],[6,5,0],[6,6,0],[6,7,0],[6,8,0],[6,9,0],[6,10,1],[6,11,0],[6,12,2],[6,13,1],[6,14,3],[6,15,4],[6,16,0],[6,17,0],[6,18,0],[6,19,0],[6,20,1],[6,21,2],[6,22,2],[6,23,6]];
        // 气泡的提示框设置
        option = {
            tooltip: {
                position: 'top'
            },
            title: [],
            singleAxis: [],
            series: []
        };
        
        echarts.util.each(provice, function (day, idx) {
            // console.log(day);//key  省份
            // console.log(idx);//val
            option.title.push({
                textBaseline: 'middle',
                top: (idx + 0.5) * 100 / 7 + '%',//修改左侧y的高度值
                text: day
            });
            option.singleAxis.push({
                left: 150,//组件离容器左侧的距离。
                type: 'category',
                boundaryGap: false,
                data: hours,
                top: (idx * 100 / 7 + 5) + '%',//组件离容器上侧的距离
                height: (100 / 7 - 10) + '%',//组件的高度。默认自适应。
                axisLabel: {
                    interval: 2
                }
            });
            option.series.push({
                singleAxisIndex: idx,
                coordinateSystem: 'singleAxis',
                type: 'scatter',
                data: [],
                symbolSize: function (dataItem) {
                    return dataItem[1] * 4;//symbolSize表示的是圆形的半径大小
                }
            });
        });
        
        echarts.util.each(data, function (dataItem) {
            console.log(dataItem)
            // console.log(data)
            option.series[dataItem[0]].data.push([dataItem[1], dataItem[2]]);
        });
        myChart.setOption(option);