多高层建筑结构有哪几种结构体系？各种结构体系的优缺点和受力特点如何？

什么是高层建筑和高层建筑结构？JGJ3—2010《高层建筑混凝土结构技术规程》和JGJ3-1998《高层民用建筑钢结构技术规程》是如何规定的？

工程结构受力分析和结构设计应遵循的八个宏观原则是什么?

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。

简述高层建筑的受力特点。

《高层民用建筑设计防火规范》规定，建筑工程总平面设计时应根据城市规划，合理确定高层建筑的（）等内容。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。