A.1/3~1/5 B.1/5~1/10 C.1/10~1/20 D.1/20~1/30
A.監(jiān)測內(nèi)容 B.監(jiān)測方法、監(jiān)測儀器 C.監(jiān)測精度 D.監(jiān)測部位和測點布置 E.監(jiān)測周期(或頻率)