The Sigma 30 artillery navigation and pointing system is designed for high-precision firing at short notice.

Sigma 30火炮导航指向系统专为高精度武器在短时间内发射而设计。

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Trajectory deflection correction by miniature pulse thruster groups is an efficiency method of improving rocket projectile firing precision and reducing the scattering of impact point.

采用小型脉冲推力器组修正弹道偏差是提高火箭弹射击精度，减小落点散布的有效方法。

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In most cast, vibration is harmful, vibration produced while gun firing affects not only the precision of gun firing but also the reliability and the life of the equipment allocated.

振动在大多数情况下是有害的。火炮射击产生的振动，一是影响射击精度，二是影响其配置设备的工作可靠性和使用寿命。

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Independent Russian military analyst Viktor Litovkin says Russia lacks combat support systems rather than firing units, and notes that such systems consist of drones, precision weapons,reconnaissance,navigation, communication,and guidance systems,etc.

VOA: standard.2009.03.20