我们要采购闭路电视，安全制度和监视设备，监视，凸轮，间谍凸轮。

3. Source

surveillance">surveillance

system directory, delete files to add a directory, and file attributes are to conduct

surveillance">surveillance

.

系统目录监视源程序，对添加删除文件目录，和文件属性均进行监视。

英英解释

n.

1. close observation of a person or group (usually by the police)

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outgoing">outgoing">outgoing">outgoing

英汉解释

adj. 外出的；即将离职的；乐于助人的

n. 外出；流出；开支

v. 超过；优于（outgo的ing形式）

同义词

a.

extroverted，forthcoming

反义词

a.

incoming

参考例句

1. Outgoing personality with ability to work under pressure.

性格开朗，能够在压力下开展工作。

2. Web separately tracks both incoming and

outgoing">outgoing">outgoing">outgoing

data transfer speed and saves the history for last 12 hours.

网络分开轨道收到和发出的数据传输速度和节省了历史上最后12个小时。

3. Sprinkling creates water particles in the air that reduce

outgoing">outgoing">outgoing">outgoing

radiation, but plant temperature declines immediately on cessation of the operation.