辩证的否定具有两个重要特点，分别是（）

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。

胶体微观结构的特点是组成物质的微观粒子在空间的排列呈无序浑沌状态。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

密立根油滴实验是近代物理学中直接测定电子电荷的著名实验,是用宏观的力学模式来解释微观粒子的量子特性,验证了电荷的“量子化”,即电荷的不连续性。