船舶入级

英国劳氏船级社（LR）成立于1760年，是世界上第一家船舶入级及检验机构。

Lloyd 's Register was established in1760 as the world 's leading independent classi ? cation and inspection authority for shipping and engineering .

中国船级社《钢质内河船舶入级与建造规范》中第15章双体船船体结构补充规定中指出具有船长大于60m等情况的双体船应由直接计算确定结构尺寸。

There are several instances prescribed by Chapter 15 & catamaran structure supplement prescript in CCS " freshwater ship class and building criterion " which need to be calculated directly .

《钢质内河船舶入级与建造规范》中几个问题的探讨

Discussion on some problems in Rules and Regulations for the Construction and Classification of the Inland Waterways Steel Ships

在根据船舶入级与建造规范进行船舶结构设计时，规范要求条目繁琐，计算量庞杂，结构计算说明书也需要进行整理。

The design process based on the rules is a fussy work including a lot of calculations , and also the specification of structure design needs to be sorted out .