define(function (require) {
    var zrUtil = require('zrender/core/util');
    var geoCoordMap = {
        'Russia': [100, 60],
        'United States of America': [-99, 38]
    };
    return function (geo) {
        zrUtil.each(geo.regions, function (region) {
            var geoCoord = geoCoordMap[region.name];
            if (geoCoord) {
                var cp = region.center;
                cp[0] = geoCoord[0];
                cp[1] = geoCoord[1];
            }
        });
    };
}); 
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