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。

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.

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本文结合部分船舶资料，对ZC(73)和ZC(83)钢质海船入级与建造规范进行比较，并用ABS(73)小船规范进行类比。

This article compares between ZC (83) sea-going ship construction specifications and ZC (73) specifications. ABS (73) boat specifications are contrasted.

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根据《钢质海船入级与建造规范》（简称“钢规”）规定的半悬挂舵的计算模型直接进行计算。

The calculation is directly carried out based on the semi-hanging rudder model of Steel Ship Specification of Classification & Shipbuilding.

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