AI 智能摘要
AI 正在分析文章，生成摘要...
摘要由 AI 自动提取生成

db.T_ZXJC_FQXSSJB.aggregate([
{ $group: { _id: {"pwxkzbh":"$pwxkzbh","xkpfkwybm":"$xkpfkwybm","dwmc":"$dwmc","pfkmc":"$pfkmc"}, maxtime: { $max: '$data_time'},maxid:{$max:"$_id"}
} },
{ $lookup: {from: "T_ZXJC_FQXSSJB", localField:"maxid", foreignField:"_id", as: "tb2"}},
{ $project: { "_id": 0, "WrState":"$tb2.WrState","pwxkzbh":"$_id.pwxkzbh","xkpfkwybm":"$_id.xkpfkwybm","dwmc":"$_id.dwmc","pfkmc":"$_id.pfkmc" } }
])