This paper introduces a static state directional accuracy of gun measuring technique, on this basement, we has used laser photo-electricity theodolite, and has designed the big gun's measuring accessory.
本文首先对坦克炮管静态定向精度的测量方法进行了较全面地介绍和比较，在此基础上，选用了激光光电经纬仪，设计了炮管上的测量附件。
参考来源 - 坦克炮管静态定向角测量系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It gave a directional accuracy of about 2 degrees.
这里给了我一种定向精度约2度。
The stiffness does not change with the linear displacement. Instead, It is a constant and is not linear with its directional accuracy providing the displacement is microscale.
证明了在微动范围内，柔性铰链结构的刚度不随输出点的线位移的大小变化而变化，是常数，且刚度与结构的运动方向精度不成简单的线性关系。
The key problem of directional drilling is the accuracy and reliability of orientation of deflecting tools.
定向钻进的成败关键在干对造斜工具定向的准确性和可靠性。
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