可以在（）阶段采用Make-or-buy决策分析。

调查对象和调查单位可以是某种实体，也可以是某种现象和行为。（）

市场调查按调查对象可以分为（）和产业市场调查。

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.

群体调查方法是指接受调查的群体在调查中可以互相讨论和启发的调查方式，例如（）等。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

火灾事故调查人员在调查过程中可以对（）依法传唤。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。