 let dates; 
        let aduration = 1000;
        let totalduration = 20000;
        let metapop;
        let rawdata; 

        const keyHint = '省份';
        const alone = '湖北';
        const data_url = 'province'
        const color_strategy = province_color;
        let keysall;
        let keys, keys_hubei;

        const xAxisLabel = ' ';
        const yAxisLabel = '新增人数';

        const xBarValue = (datum) => {return datum.value};
        const yBarValue = (datum) => {return datum.nam