Conventional on watch systems have such weaknesses as poor flexibility,absence of interoperability,high cost for use and rebuilding.
传统的值班系统暴露出灵活性差、系统间互联和互操作能力低、使用和改造费用高等弱点。
Who will be on duty at six o`clock? ---I will.
6点钟谁值班？-我值班。
The members of a ship's crew on duty during a specific watch.
值班者在某一值班时间值班的船员
A period or turn of duty, as at the helm of a ship.
（轮值或值班的一班）值班的时间或轮换，如在轮船的舵旁的值班
Medical personnel are on duty every shift in the shafts.
在矿井里每个班次都有医务人员值班。
Only one doctor is on duty today the other doctor is off duty.
今天只有一个医生值班，另一位下班了。
Navigational Watch Rating Certificate
导航值班普通船员证书
constantly attended locatio
经常有人值班的场所
SAM shift roster
SAM公司值班花名册
non-attended station
无人监视台，无人值班台
on watch (eg as a member of a ship's crew or as a guard)
值班（如船员或警卫人员）.
manned unanned select switch
有人-无人值班选择开关
the police sergeant on duty in a police station.
在警察局值班的警察。
rostering of staff
编制职工值班时间表
the policeman on duty told him that since his defeat,
值班的警察告诉他,
He 's on duty from 9.00 to 6.00 .
他从９点到６点值班。
Is there a lifeguard on duty?
有值班的救生员吗？
This doctor provides emergency cover .
这位医生代急诊值班.
I go on duty in half an hour.
半小时以后我要去值班。
