1) The guard is blowing his whistle.
卫兵在吹着哨子。
2) To guard with a picket.
以哨兵防卫
4) The sentries were all on the alert.
哨兵们都警戒着。
5) blow a blast on a whistle
吹一声哨子
6) sentinel
[英]['sentɪnl] [美]['sɛntənḷ]
哨兵
1.
To solve the problem that the sentinel can not communicate with the orderly officer when he handles the abrupt affair away from the watchtower,the portable sentinel alarm and talk-back system based on wire/wireless mixed communication is designed.
针对哨兵离开哨位处置突发警情时哨兵与值班室的联系中断这一问题,采用以有线通信和无线通信组合的方式设计了便携式哨兵报警对讲系统,实现哨兵离开哨位时与值班室的语音对话,同时实现哨兵遇到紧急情况无法进行语音对话时的紧急报警以及当哨兵遭到袭击倒地的自动检测报警。
2.
In order to strengthen the safety of encampment and respond to be attacked on sentinel effectively,RS485 bus was applied to complete both-way communication between the monitor center and sentry;alarm information was prompted through voice and 4 inch bright LED.
为了加强营区安全防范工作,有效应对哨兵被袭击事件,系统采用RS485总线实现哨位同监控中心间的双向通信,通过语音和4寸高亮数码管提示报警信息;配合集团电话实现了各哨位及监控中心间的点对点通话和多点同时会话功能,以便及时沟通相关信息;提供与视频监控系统的通信接口,实现与视频监控系统联动,完成预警和预案演习功能。
补充资料：卫兵
1.负责警卫的兵士。 2.唐时南衙禁兵的专称。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条