{"数据来源":"https://bbcb.cc/","_meta":{"中文表名":"粮食价格趋势","分组字段":["品种","省份"],"分组筛选内容":{"品种":"稻谷","省份":"河北省"},"记录数":4,"生成时间":"2026-10-10T17:35:15"},"数据":[{"品种":"稻谷","省份":"河北省","日期":"2026-09-18","价格":2750.0,"数量":2830.76},{"品种":"稻谷","省份":"河北省","日期":"2026-03-12","价格":2875.0,"数量":2159.5},{"品种":"稻谷","省份":"河北省","日期":"2025-09-03","价格":2670.0,"数量":2408.0},{"品种":"稻谷","省份":"河北省","日期":"2025-06-17","价格":2806.0,"数量":3735.0}]}