（）属于几何学定义的基本几何元素。

在扫描特征过程中，【扫描轨迹】菜单管理器中选择【草绘轨迹】或【选取轨迹】来定义扫描轨迹。

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.

面在几何学上的定义是（）移动的轨迹

线在几何学上的定义是（）移动的轨迹

按照几何学的定义，立体是（）进行运动的轨迹

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。