誰可以救救我這題 Pipe A has only one open end; pipe B is four times as long and has two open ends. Of the lowest 10 harmonic numbers nB of pipe B... 繼續閱讀

想請問這題微積分怎麼算

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請問total time怎麼算😭😭😭😭 謝謝大家😭😭😭

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【請問】 造成Continuous-Time & Discrete-Time signals不同結果之原因？