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.
这种汇合（或马赫）波的性质与前面所叙述的一般冲击波相同。
The behavior of this fused or Mach Wave is the same as that previously described for blast waves in general.
另外，推测了马赫数4拟似冲击波非对称的原因。
Moreover, the reason that Mach 4 oblique shock wave is asymmetric is conjectured.
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