目前民用船舶结构设计主要是依据船舶入级与建造规范进行的。
At present, civil ship structures are mostly designed by the rules.
提出了单级入轨运载器干质量计算方法。
A method to calculate the dry mass of single-stage vehicle is proposed in this paper.
提出了单级入轨运载器干质量计算方法。
A method to calculate the dry mass of single-stage vehicle is proposed in this paper.
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