A.監(jiān)測預警 B.監(jiān)測 C.預報 D.預警
A.農業(yè)氣象觀測 B.衛(wèi)星遙感 C.生態(tài)觀測 D.環(huán)境監(jiān)測
A.7 B.8 C.9 D.10