超色的猩猩~~牠的手是放在哪
Mach number - Wikipedia, the free encyclopedia這傢伙...!!!! where M is the Mach number, u is the local flow velocity with respect to the boundaries (for example internal, like for an object immersed in the flow or external, like a channel), and c is the speed of sound in the medium. The local speed of sound, and t...
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