在社会主义初级阶段，将按劳分配和按生产要素结合起来的必要性有( )

社会主义初级阶段为什么要实行以按劳分配为主体的多种分配方式？（社会主义初级阶段以按劳分配为主体的多种分配方式并存和按劳分配与按生产要素分配相结合的必然性是什么？）

社会主义初级阶段存在按劳分配为主体与按生产要素分配相结合的多种分配方式，因此（）。

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。