光学、声学 光学 amplitude modulation 调幅 ＞无线电物理学＞超高频无线电物理＞释义 amplitude modulation 调幅 amplitude modulation 振幅调制，调幅†
amplitude modulation 缩写：AM。调幅
网络与数据通信 有线网络 释文 amplitude modulation, AM 振幅调制
- Li Bo
- Li Boan
- Li Boling
- LIBOR
- Li Boshu
- Li Bo's Younger Sister
- Libo Xian
- Libo Zhangjiang Scenic and Historic Area
- Li Bozhao
- Libra
- Li branch
- Librarian
- librarianship in China
- librarianship in the Soviet Union
- Librarianship， Information， Knowledge， Records and Archives Management
- Librarians Literacy
- Libraries and Librarians in an Age of Electronics
- libraries in abbeys
- libraries in the ancient Greece
- libraries in the ancient near east
- libraries in the ancient rome
- Libraries of South Manchuria Railway
- Library
- library
- Library Acquisition Consortium