This paper describes the structural design of a vertical shafting, analyses and calculates the wobble error and fit clearance in the developed ballistic camera.

本文介绍了在研制“弹道相机”时，一种新型竖轴系的结构设计、轴系晃动误差和配合间隙的分析计算。

youdao

With the improvement of ballistic missile system technology, the tool error affecting missile hitting accuracy has been reduced and disturbing gravitation has been a main factor.

随着弹道导弹系统技术的不断改进，影响导弹精度的工具类误差已逐渐降低，地球重力场扰动引力已经成为影响导弹命中精度的主要因素。

youdao

A mathematical model is established solely according to two kinds of warhead fuze modes considering that atmosphere parameter error works on the flight of warhead explosion spot of ballistic missile.

以等高程和等过载引信两种弹头引信方式建立了大气参数偏差对弹道式导弹弹头引爆点射程影响的数学模型；

youdao

The Obama Administration is not going to build a Death Star and I do not have a problem with that but the Obama Administration is also refusing to fund a second development air-frame for the Boeing anti-ballistic missile laser battle station and that I regard as a serious policy error.

FORBES: White House Denies Petition Request To Build A Death Star