For a specific fire control dynamic performance test system, its measurement result was 2.34" by using the method, which improved angle precision from 20 to 5 arc-second."

利用该方法测得某型火炮动态性能测试系统的测角精度为2.34″，将该系统的测角精度从20″提高到5″以内。

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For a specific fire control dynamic performance test system, its measurement result was 2.34" by using the method, which improved angle precision from 20 to 5 arc-second."

利用该方法测得某型火炮动态性能测试系统的测角精度为2.34″，将该系统的测角精度从20″提高到5″以内。

youdao