This paper mainly studies how to accurately fit the air dynamics parameter by the ballistic data of projectiles' free flight.
论文主要研究从弹丸自由飞行数据中如何准确地拟合空气动力系数。
Without ballistic plates, the KDH plate carrier weighs 6.47 pounds, according to PEO Soldier data.
根据PEO士兵的数据，KDH的防弹携行装具除了弹道板重约6.47磅。
As a primary problem of Ballistic target tracking which is a key technology in radar data processing, tracking initialization plays a very important role.
弹道目标的跟踪是雷达数据处理的一项关键技术，航迹起始作为目标跟踪的首要问题，重要性是不言而喻的。
For the ballistic missile using perturbation guidance, the computation of partial derivative at shutdown point is very important for data calculation and validation.
对摄动制导的弹道导弹而言，关机点偏导数和全导数计算及其校验是导弹诸元计算中的重要环节。
The research results can give basic data for the interior ballistic design of the liquid propulsion system.
其结果可为液体推进系统内弹道设计提供基础数据。
Indirect firing is mainly in solving method of ballistic eguatron and how to realize the resolution of firing data and auto-loading data;
间瞄射击主要在弹道方程的解法和如何实现射击诸元的解算和自动装定；
Indirect firing is mainly in solving method of ballistic eguatron and how to realize the resolution of firing data and auto-loading data;
间瞄射击主要在弹道方程的解法和如何实现射击诸元的解算和自动装定；
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