reconnaissance

noun

1. the act of reconnoitring (especially to gain information about an enemy or potential enemy)

e.g. an exchange of fire occurred on a reconnaissance mission

Synonym: reconnaissance mission

1. （派士兵或飞机）侦察；（用卫星）搜索，勘测
Reconnaissance is the activity of obtaining military information about a place by sending soldiers or planes there, or by the use of satellites.

e.g. The helicopter was returning from a reconnaissance mission...
直升机完成侦察任务后正在返航。
e.g. The aircraft will be used for reconnaissance rather than combat.
这架飞机将用于执行侦察任务而不是战斗任务。

1. 侦查：再后来监视(surveillance)和侦查(reconnaissance)又被综合进C4I系统,称之为综合C4ISR系统. 它是综合集成的指挥、控制、通信、计算机、情报、监视和侦察系统,其中潜含着通信对抗、反侦查等功能,涵盖了指挥自动化系统的全部内容. 仅仅多少十年的时间,指挥自动化已表现出...

2. 勘察,调查研究：recommended level of illumination 推荐的照度标准 | reconnaissance 勘察,调查研究 | record drawing 详图、大样图、接点图

3. reconnaissance是什么意思

3. 侦察,勘察：recondite 深奥,难解的 | reconnaissance 侦察,勘察 | recover 复得,恢复; 使痊愈,使复元