天翼通用户认证采用下列哪些认证方式（）。

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（）.

双向身份认证是指移动用户与移动通信网络之间相互认证身份。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

教育部日前印发《普通高等学校师范类专业认证实施办法（暂行）》，发布国家认证标准，（）开展师范类专业认证。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

按用户上网是否通过认证服务器认证，可将用户上网方式分为（）。