A.遠(yuǎn)程實時監(jiān)測 B.遠(yuǎn)程實時遙控 C.遠(yuǎn)程實時監(jiān)控 D.遠(yuǎn)程視頻監(jiān)控
A.0.8 B.0.9 C.0.95 D.0.98
A.3000 B.5000 C.7500 D.10000