Heaviside expanxion formula
[電] Heaviside展開公式
?? 詞語組成解析
海維賽德(①姓氏 ②Oliver, 1850-1925, 英國物理學家、電氣工程學家)
formula
['f?:mjul?]
n. 公式，準則;客套話;方案;嬰兒食品;
??? 情景例句
It's OK, lady. Take your time.
沒關系， 太太。慢慢來。
Every man is the master of his own fortune.
每個人都是他自己的命運的主宰。
I'm going to the shops. I want to buy some food for supper this evening.
我要去商場，想買些東西為晚飯做準備。