题目内容

In ________, we attempt to ensure that every user can access the system easily.

A. operational feasibility
B. economic feasibility
C. technical feasibility
D. law feasibility

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Legal feasibility determines if the proposed system conflicts with any laws or will not ________ with laws where it is to be implemented.

A. comply
B. reject
C. estimate
D. share

其它同等条件下,下面那种地质发射信号强度最强?

A. 软泥
B. 硬泥
C. 沙质
D. 岩石

水中声速由下面那个参数影响最大?

A. 压力
B. 温度
C. 盐度
D. 频率

下面那几个参数决定沿航迹分辨率?

A. 水平波束开角
B. 垂直波束开角
C. 带宽
D. 航速

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