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【判断题】
( )一般摄像机REC为录制按钮。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】简述国际铁路货物联运单的组成和作用。
【单选题】The height that a wave will eventually achieve is a function of:
A.
the period of the wave
B.
the fetch
C.
the wind velocity
D.
the duration of the wind
E.
b, c, and d
【单选题】Wave height refers to the vertical distance from ______.
A.
trough to trough
B.
trough to crest
C.
crest to sea bottom
D.
crest to crest
【简答题】In the 1960 South America tsunami, when the third wave came, it reached the height of ______.
【单选题】What is the significant wave height?
A.
The average wave height
B.
Average height of the top one third of the waves
C.
The height of the largest wave
D.
The average height of the seventh wave
【单选题】What is the height of an ocean wave?
A.
The same as the amplitude
B.
The point when the wave breaks
C.
The distance from crest to seabed
D.
The distance from trough to crest
【单选题】The height of a wave is the vertical distance（）.
A.
from the still water plane to the crest
B.
from the still water plane to the trough
C.
from crest to trough
D.
between water levels at one-quarter of the wave's length
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