phase modulation 调相†，相位调制
网络与数据通信 有线网络 释文 phase modulation, PM 相位调制
- contraclockwise
- Contracorriente
- contra-covariant functor
- contract
- contractant
- contract award production responsibility system
- contract discharge
- contracted basis function
- contracted basis set
- Contracted Chinese labourers
- contracted cycloid
- contracted ideal
- contracted notation
- contracted product
- contracted pupil
- contracted tensor
- contract ethics
- contract farming
- contract for brokerage
- contract for commission
- contract for construction project
- contract for donation
- contract for financial lease
- contract for intermediation
- contract for lease