影响微生物生长发育的主要因子有（）、氧气、水分、（）和温度等。

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.

生长因子异养型微生物有何用途？

是否所有的微生物都需要生长因子？如何才能满足微生物对生长因子的需要。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

以下哪些情况会造成提示“Incorrect number or IP address”？（）

环境致畸因子包括哪些方面？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。