A simple method for the classification of vessels sustainability in winds and seas has been developed based on the study of stability, strength and the loading conditions of various voyages.

从船舶稳性、船舶强度和船舶运动理论出发，分析研究航次的特殊装载状态，提出了一种确定船舶抗风浪等级的简易方法，为船长选择航线提供了重要依据。

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This date and construction iers (i e Hull Numbers) of all vessels include the contract are to be declared to the classification by the party applying assignment of class for a new building.

其合同（涉及所有船舶）日期和船舶建造工程号（如船厂编号）应由申请建造入级的申请方向入级船级社提出书面声明。

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The mechanism of the reheat cracking in thick-walled pressure vessels, its classification, features, detection methods, influencing factors and precautions are described.

本文介绍了厚壁压力容器再热裂纹的产生机理，分类和特点，探测方法，影响因素及预防措施等。

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