测量工作中，确定一条直线与（）之间的关系，称为直线定向

当两点间距离较长或者地面起伏较大时，为了分段测量距离，要在欲量直线的方向上确定一些点，这项工作称为（）。

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。

面料经纬向判定，对于有布边的面料，与边平行的方向为（）（经向or纬向）

确定直线方向的工作称为直线定向，用目估法或经纬仪法把许多分段点标定在某一已知直线上的工作为直线定线。

确定一条直线上距离测量碎部点的工作称为（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。