工学 频率调制 释 frequency modulation 频率调制 频率调制是指通过对激光器的输出频率进行调制，使得光载波频率随调制信号发生改变。
frequency modulation 频率调制
网络与数据通信 有线网络 释文 frequency modulation, FM 频率调制
- protected areas public participation
- protected area with sustainable use of natural resources
- protected cultivation of fruit trees
- protected cultivation of ornamental plants
- protected data storage
- Protected Landscape/Seascape
- protected mode of rare and endangered medicinal resources
- protected soil cultivation
- protecting creditors’ interest principle
- protecting group
- protecting multiple interest principle
- protecting wire net
- protection
- Protection and Maintenance of Ancient Chinese Architecture
- protection and maintenance project of Zhashilunbu Temple in Tibet
- protection and maintenance system
- protection and management of landscape rockery
- protection and restoration of ancient clock relics
- protection and restoration of concrete
- protection area
- protection area of railway safety
- Protection/control of military stress injury
- protection danger
- protection design of orifice
- protection device for overwinding