维持蛋白质分子α-螺旋的化学键是（）

用于蛋白质分子中α螺旋结构的测定方法是（）

蛋白质分子中的α-螺旋和β-折叠都属于（）

蛋白质分子中，α-螺旋的特点是（）

稳定蛋白质分子中α-螺旋的化学键是

稳定蛋白质分子中β-折叠的化学键是

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

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。