若某一体系进行二级相变，则在相变温度下，二相的（）。

二级相变是指在相变时两相化学势相等，其一阶偏微熵也相等，而二阶偏微熵不等，因此二级相变（）

均匀成核，二级相变

简述什么是一级相变、二级相变、均匀相变、非均匀相变及其特征。

二级相变，在相变点两相的化学势和化学势的（）连续，但化学势的二级偏导数 存在突变。

简述二级相变的定义及其特征并举例。

说明金属固态相变的主要特点？

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。