{
    "childUriList": [
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        "https://hebei.tianditu.gov.cn/iserver/services/data-SGS/rest/data/datasources/sgs_jc_data/datasets/HBCity/fields/SmSdriN/SUM",
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    ],
    "fieldInfo": {
        "isRequired": true,
        "defaultValue": "0",
        "name": "SmSdriN",
        "caption": "SmSdriN",
        "type": "DOUBLE",
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        "isZeroLengthAllowed": false,
        "isSystemField": true
    }
}