1.
naval service at land bases.
海军岸上的警戒任务。
2.
guard who patrols and protects a forest,etc
担任巡逻和警戒任务的护林员.
3.
serve as pickets or post pickets.
担任纠察队员，担当警戒的任务。
4.
Article21 Martial-law-enforcing officers are members of the People's Police, the People's Armed-police and the People's Liberation Army, who are assigned with tasks of enforcing the martial law.
第二十一条执行戒严任务的人民警察、民武装警察和人民解放军是戒严执勤人员。
5.
ACWS (Aircraft Control and Warning Service)
飞机控制和警戒勤务
6.
Dogs of the Working Group were bred to perform such jobs as guarding property, pulling sleds and performing water rescues.
工作犬是培养了来执行某种任务，如警戒、雪橇或救人等。
7.
A policeman who patrols or polices an assigned area.
巡警在指定地区巡逻或担任警戒的警察
8.
The outlying sonar picket.was to detect, localize, and engage any submarine trying to close the convoy(Tom Clancy)
外部声纳警戒队的任务是…发现、定位和掌握任何企图靠近护卫舰的潜水艇(汤姆 克兰西)
9.
He was a man who suspected everyone and everything.
路加警惕性高，对任何人和任何事他都存有戒心。
10.
The men were ordered to keep watch against interruption.
跟班们奉命担任警戒，以防发生打岔的事。
11.
The Analysis of Fraud Motivations and the Recognition of Alert Signals in a Financial Report Audit;
财务报告舞弊动因分析与警戒信号识别
12.
On Deficit Rate and Debt Rate and Their Boundaries in China;
论中国现阶段的赤字率和债务率及其警戒线
13.
Force Sports and Recreation Officer
警察康乐体育事务主任
14.
The policeman was on his beat.
那警察在执行巡逻任务。
15.
He was tapped for police commissioner.
他被任命为警务处长。
16.
watchful waiting
待机, 观察, 警戒(as)
17.
escape through the cordon
逃过 [突破] 警戒线
18.
When performing martial law tasks, martial-law-enforcing officers shall wear uniform insignias as required by the martial-law-executing organ.
戒严执勤人员执行戒严任务时，应当佩带由戒严实施机关统一规定的标志。