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问题 单项选择题

船舶摇荡运动的形式有（）Ⅰ、横摇Ⅱ、纵摇Ⅲ、首摇Ⅳ、垂荡Ⅴ、纵荡Ⅵ、横荡

A.Ⅰ+Ⅱ+Ⅲ+Ⅳ

B.Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅴ+Ⅵ

C.Ⅱ+Ⅲ+Ⅳ+Ⅴ

D.Ⅰ+Ⅱ+Ⅲ+Ⅴ+Ⅵ

答案

参考答案：B

单项选择题

(66) method is the use of a data processing system to represent selected behavioral (67) of a physical or abstract system. For example, the representation of air streams around airfoils at various velocities, temperatures, and air pressures with such a system.

Emulation method is slightly different, it uses a data processing system to imitate another data processing system, so that the imitating system accepts the same data, executes the same programs, and achieves the same (68) as the imitated system. Emulation is usually achieved (69) hardware or firmware. In a network, for example, microcomputers might emulate terminals (70) communicate with mainframe.

（69）处填（）。

A．relying on

B．according to

C．by means of

D．dependent on
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多项选择题

在建筑施工图中立面图标注的内容有（）

A.要标注出建筑的檐口标高

B.要标注出建筑立面的装饰做法

C.要标注出建筑物室外地面的标高

D.要标注出建筑的格局布置

E.要标志出主要的门窗洞口的标高
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