速度升高到1.3马赫（速度单位，1马赫=音速=340.29m/s——译者注）以后，不会再对冲击波强度造成太大的影响。

Increasing speeds above Mach 1.3 results in only small changes in shock wave strength.

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速度升高到1.3马赫（速度单位，1马赫=音速=340.29m/s——译者注）以后，不会再对冲击波强度造成太大的影响。

Increasing speeds above Mach 1.3 results in only small changes in shock wave strength.

youdao