例句與造句

1. The carrier harmonic is then band-pass filtered and frequency divided to recover the carrier frequency . ( This may be followed by a PLL . ) Multiply-filter-divide is an example of open-loop carrier recovery, which is favored in burst transactions since the acquisition time is typically shorter than for close-loop synchronizers.
2. It's difficult to find loop synchronizer in a sentence. 用loop synchronizer造句挺難的