The method is concise and convenient for program, simulation and computation. It can be applied in many study fields, such as rocket launch dynamics, external ballistics, firing table.
该方法简洁方便，易于编制程序及模拟仿真，便于工程人员掌握，可用于火箭发射动力学、外弹道学及射表编制等方面研究，具有一定应用价值。
The critical breakthroughs have been taking place in the structural designs, internal and external ballistics, and mathematical models, and it is now in dynamic firing test phase.
结构设计、内外弹道、数学模拟都取得了重大突破，已达动态发射试验阶段。
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