翻译：With Average or With Particular Average（WA or WPA）（）

关于聚合酶链反应（PCR）的叙述错误的是

关于聚合酶链反应（PCR）引物的叙述正确的是

聚合酶链反应（PCR）能用于检测（）。

聚合酶链反应（PCR）能用于检测（）

PCR和由PCR衍生的技术是发展最好、应用最广泛的核酸扩增技术。以下技术中不能用于PCR扩增产物分析的是（）

何谓易错PCR技术？简述易错PCR技术进行体外基因突变的主要过程

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.

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。