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- 闭环E类放大器closed-loop class E
- 高效率低谐波失真E类射频功率放大器的设计The design of high efficiency and low harmonic distortion E-class power amplifier
- E类Class-E
- 前列腺素E类Prostaglandins E
- E类放大器class E amplifier
- 闭环closed loop
- S类放大器class S amplifier
- 闭环控制closed-loop control
- AB类放大器class AB amplifier
- 运算放大器operational amplifier
- 胺类amine
- "mouse"中的字母"e"不发音。The letter "e" in "mouse" is mute.
- 灵长类Primates
- E字母现代英语字母表中第五个字母The fifth letter of the modern English alphabet.
- 布类mercery
- 差分放大器difference amplifier
- 脂类FAT
- Ａ放大器A-amplifier
- 小类subclass
- "消迹" 放大器erase amplifier
