常見例句A circuit containing either a single inductor or a single capacitor, which can be described by a first-order differential equation, is called a first-order circuit . 對于一個只含有一個單獨電感或一個單獨電容的電路,描述它的微分方程是一階的,故稱為一階電路。The letter was written on a single sheet of paper. 這封信只用一張紙寫成。One single, second class, to winchester, please. 買一張去溫撤斯特單程二等票。He got over the stream with a single leap. 他一躍就跳過了小溪。The bridge crosses the river in a single span. 河上那座橋是單跨橋。Do you want a single or a return ticket? 你要單程票還是往返票? 返回 single-inductor