场外监视

【化】 off-site surveillane

场的英语翻译：

field; a level open space; scene
【化】 field
【医】 field; plant

外的英语翻译：

besides; in addition; not closely related; other; outer; outside; unofficial
【医】 ec-; ecto-; exo-; extra-; xeno-

监视的英语翻译：

watch; keep watch on; monitor; scout; scrutiny; stakeout
【计】 browsing; monitoring