在高斯投影中，每度带中央子午线投影后为（）。

高斯投影中的3度带中央子午线一定是6度带中央子午线，而6度带中央子午线不一定是3度带中央子午线。

高斯投影中的6度带中央子午线一定是3度带中央子午线，而3度带中央子午线不一定是6度带中央子午线。

高斯投影中的3度带中央子午线一定是6度带中央子午线，而6度带中央子午线不一定是3度带中央子午线。（）

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。

职业技能鉴定每一项实操考试点下试题数量不小于4道。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。