![](https://i.imgur.com/w7IDjz1.jpg)
[問題]同步機試驗問題
![](https://i.imgur.com/w7IDjz1.jpg)
![](https://i.imgur.com/NfEmIp5.jpg)
請問紅線部分的公式是怎麼來的,好像沒讀過這個公式,尤其0.00385怎麼跑出來的。
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※ 編輯: QQ1010530 (140.117.197.155), 09/23/2017 23:39:39
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