Version indicators are a last resort, to denote incompatible changes.
2
针对战斗部常规生产检验，提出了采用多个光幕靶、数据采集仪和位置标识器进行测速的方法。
Aim at production checkout of warhead, the method that use light screens, dada acquiring instrument and position locating board to measure velocity of fragment of warhead is presented.
3
经实践检验，该轮胎标识器符合厂方的轮胎标识要求，能适应各种工况下的轮胎打标任务，运行安全可靠。
Through practical certification, this imprinter is able to complete all kinds of identification tasks and operate safely and reliably, satisfies requirements of the factory.
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