什么是高层建筑结构，其主要抗侧力结构体系有哪些，他与多层结构的主要区有哪些？

根据《高层建筑混凝土结构技术规程》，框架结构设计应设计成双向梁柱抗侧力体系。主体结构除个别部位外，不应采用（）。

根据《高层建筑混凝土结构技术规程》，框架结构设计应设计成双向梁柱抗侧力体系。主体结构除个别部位外，不应采用（）。

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

钢筋混凝土高层建筑结构是一个很复杂的空间体系。它由垂直方向的抗侧力构件（框架、剪力墙、筒体）和水平方向刚度很大的楼板相互连结组成。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。