我弟從小立志要當醫生,現在我終於知道原因....
Mach number - Wikipedia, the free encyclopedia中國網路上流傳著一張圖:“我終於知道為什麼大家都想當醫生了” 看完覺得....好像真的不錯??? 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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