{"type":"Feature","id":"5424","properties":{"name":"那曲地区","cp":[88.1982,33.3215],"childNum":10},"geometry":{"type":"Polygon","coordinates":[[[86.0669,35.8594],[86.2427,36.1505],[86.3635,36.167],[86.4404,36.2274]]]}}，对于coordinates如何定义变量类型，请高手指点一下，谢谢
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