题目内容

In the stowage of deck cargo，cribbing is（）.

A. placed on deck to support the cargo
B. separation pieces used to keep cylinders upright and steady
C. shims for stowing baled cargo
D. nets placed across the hatch opening to keep the cargo from falling in the hatch

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反映总体一般水平的指标，彼此之间存在着一定的关系，但其各自涵义不同，适用范围也不一样。如果各个数据之间的差异程度较大，用平均值就有较好的代表性；而如果数据之间的差异程度较小，用中位数或众数有较好的代表性。

A. 正确
B. 错误

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IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS - IS?（）

A generic Hello
B. Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2
C. Point - to - point Level 1, point - to - point Level 2, LAN
D. Point - to - point, LAN Level 1, LAN Level 2

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机械设备灌浆是在（）之后。

A. 设备吊装就位
B. 设备清洗
C. 安装精度调整与检测
D. 零部件装配

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（）式是沿地面匍匐状生长。

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In the stowage of deck cargo，cribbing is（）.

A. placed on deck to support the cargo B. separation pieces used to keep cylinders upright and steady C. shims for stowing baled cargo D. nets placed across the hatch opening to keep the cargo from falling in the hatch

IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS - IS?（）

机械设备灌浆是在（）之后。

（）式是沿地面匍匐状生长。

A. placed on deck to support the cargo
B. separation pieces used to keep cylinders upright and steady
C. shims for stowing baled cargo
D. nets placed across the hatch opening to keep the cargo from falling in the hatch