从而为精确测定炮口速度提供了一定的理论基础。
A certainty basic foundation for precision determine the cannon ostium velocity are offered.
方法利用区截测速原理，提出了一种炮口速度的测试方法。
Methods According to paired position testing theory a method for testing muzzle velocity is offered.
SH 1装备一套计算机火控系统，用一个炮口速度传感器直接反馈数据到火控计算机。
The SH1 is equipped with a computerised fire-control system, with a muzzle velocity sensor which feed the data directly to the fire-control computer.
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