一质量为M的物体自空中落下，设空气的阻力的大小与落体的速度成正比（比例系数K＞0），试求物体运动的路程与时间的函数关系。

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（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

西安邮电大学学报《西安邮电大学学报》在（）2013、2014年度连续2年入选。

西安邮电大学校舍面积为多少平方米？（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。