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【单选题】
在某监控现场环境中,当照度在0.01LUX以下时,用的摄像机类型为( )。A.
日光型
B.
月光型
C.
星光型
D.
普通型
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皮皮学刷刷变学霸
举一反三
【单选题】there are two types of vibrations, they are vertical vibration and vibration.
A.
horizontal
B.
lateral
C.
vertical
D.
longitudinal
【单选题】The vertical angle between the horizontal and the magnetic line of force is the（）.
A.
elevation
B.
magnetic angle
C.
vertical angle
D.
dip
【单选题】A single vertical magnet placed underneath the compass in the binnacle is used to compensate for（）.
A.
the horizontal component of the permanent magnetism
B.
deviation caused by the vessel's inclination from the vertical
C.
induced magnetism in the horizontal soft iron
D.
induced magnetism in the vertical soft iron
【单选题】Aboard ship, vertical flat plates running transversely and connecting the vertical keel to the margin plates are called ______.
A.
floors
B.
intercostals
C.
girders
D.
Stringers
【单选题】A single vertical magnet placed underneath the compass in the binnacle is used to compensate for ______．
A.
The horizontal component of the permanent magnetism
B.
Deviation caused by the vessel's inclination from the vertical
C.
Induced magnetism in the horizontal soft iron
D.
Induced magnetism in the vertical soft iron
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