frequency trim频率微调frequencyn.频繁；频率frequency calculation means device频率计算装置Frequency of Chromosome Aberration染色体畸变率frequency response analysis method频率响应分析法frequency modulated speed scanning频率调速扫描frequency-weighted squared error频率加权平方误差frequency - phase characteristic相频特性frequency offset correction system频偏校正系统frequency modulation with feedback反馈调频Frequency-domain characteristics频域特性frequency domain transfer function频域传递函数

1. Frequency agile radar synthesis detection unit works in frequency hopping state in RF band.
   频率捷变雷达综合测试仪工作在射频段捷变状态。