最終更新日：2024/08/04
The Mach stem is a shock wave that forms at the tip of a supersonic object.
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The Mach stem is a shock wave that forms at the tip of a supersonic object.
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The Mach stem is a shock wave that forms at the tip of a supersonic object.
The Mach stem is a shock wave that forms at the tip of a supersonic object.
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