In the second we give the necessary and sufficient conditions for strict convexity of power function of exponential family in the discrete case.

在第二个问题中，我们给出了在离散的情形下，指数族势函数严凸的充分必要条件。

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The second chapter makes a systemic conclusion in the shipping and handling of LPG, which provides necessary shipping techniques to transmit LPG in the security conditions.

第二章对LPG运输、装卸进行了系统归纳，为船舶安全运输提供了必要的技术知识。

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Spun silk skein should be scoured under gentle conditions in accordance with its features, usually no pretreatment, primary or second scouring are necessary.

根据绢丝绞纱的特点，精练条件应缓和，一般不需要预处理及常规的初、复练；

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