理论计算机科学 形式语言与自动机 释文 start symbol 初始符 系统软件 语言与编译 释文 start symbol 开始符号
- frequency response method
- frequency response of motor system
- frequency response plot
- frequency reuse factor
- frequency scale
- frequency scanning antenna
- frequency selective surfaces
- frequency selectivity
- frequency sensitive starter
- frequency sensitivity
- frequency shift
- frequency-shift keying
- frequency-shift keying, FSK
- frequency-shift keying modulation and demodulation
- frequency shift of scattering light
- frequency shift theorem
- frequency-shift track circuit
- frequency-size distribution
- frequency spectrum
- frequency stability
- frequency stability criterion
- frequency stability measurement
- frequency stabilization
- frequency stabilized laser
- frequency standard