支持轴承有哪些结构形式？各有哪些优缺点？

空气主轴轴承有哪些常用的结构形式？它有哪些优缺点？

项目组织结构的类型有哪些？各有什么优缺点

翻译：With Average or With Particular Average（WA or WPA）（）

数据加密主要有哪些方式？各有什么优缺点？

聚丙烯在结构和性能上与聚乙烯有哪些不同，它的主要优缺点有哪些？

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

以下哪些情况会造成提示“Incorrect number or IP address”？（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。