在框架结构中的大梁必须（）

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

资源加工学在国民经济建设中的地位和作用如何？

山西大学改为国立后，工学院存在哪些系？（）

建筑高度、设防烈度、建筑重要性类别及场地类别等均相同的两个建筑，一个是框架结构，另一个是框架-剪力墙结构，这两个结构体系中的框架抗震等级（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

利用分层法进行框架结构竖向荷载作用下的内力分析时，必须考虑框架的侧移。