Cross-coupled phase locked loop
digital phase locked loop
数字锁相
数字锁相环
全数字锁相环路DPLL
数字式锁相电路
Phase locked loop
锁相环路
锁相回路
相锁定回路
锁相环控制
锁相环频率合成器
锁相环
锁相
直接数字合成
phase loop lock control
self-intensity of binding phase phase
(+)Frequency-offset locked loop
Metal Phase and Phase Rule
phase Ⅰ and phase Ⅱ enzymes
phase advance phase lead
phase lead phase advance
polar-embedded reversed phase stationary phase
reversed phase bonded stationary phase
solid phase extraction stationary phase
assembly-prestressing form finding loop by loop
microbial loop microbial food loop
the loop knitting without loop