{"childUriList":["https://hebei.tianditu.gov.cn/iserver/services/data-HBDATA-2/rest/data/datasources/HBDATA/datasets/ROLLN/fields/smlength/MAX","https://hebei.tianditu.gov.cn/iserver/services/data-HBDATA-2/rest/data/datasources/HBDATA/datasets/ROLLN/fields/smlength/MIN","https://hebei.tianditu.gov.cn/iserver/services/data-HBDATA-2/rest/data/datasources/HBDATA/datasets/ROLLN/fields/smlength/AVERAGE","https://hebei.tianditu.gov.cn/iserver/services/data-HBDATA-2/rest/data/datasources/HBDATA/datasets/ROLLN/fields/smlength/STDDEVIATION","https://hebei.tianditu.gov.cn/iserver/services/data-HBDATA-2/rest/data/datasources/HBDATA/datasets/ROLLN/fields/smlength/SUM","https://hebei.tianditu.gov.cn/iserver/services/data-HBDATA-2/rest/data/datasources/HBDATA/datasets/ROLLN/fields/smlength/VARIANCE"],"fieldInfo":{"isRequired":true,"defaultValue":"0","name":"smlength","caption":"smlength","type":"DOUBLE","maxLength":8,"isZeroLengthAllowed":false,"isSystemField":true}}