frame表示（ ）。

A:符号 B:大小 C:秒 D:桢

frame表示（）。

A:符号 B:大小 C:秒 D:帧

In ship construction, frame spacing is ______．

A:greater at the bow and stern B:reduced at the bow and stern C:uniform over the length of the vessel D:uniform over the length of the vessel, with the exception of the machinery spaces, where itis reduced due to increased stresses"

ORF（Open reading frame）

The problem is easily overcome by specifying a frame _________, where at the start of each frame a unique sequence of pulses called the frame code, or synchronization word, is placed so as to identify the start of the frame.

A:form B:format C:frame D:model