echo frequency
短語詞組
- Echo Radio Frequency Simulator 回波射頻信號模擬器
- calculation of echo doppler frequency 回波多普勒頻率計(jì)算
- echo frequency content 回聲頻率容量
- echo frequency variation 回波頻率變化性
- Echo frequency Slavel 回波頻率
- Intermediate Frequency Echo 中頻回波
- high -frequency echo 高頻波紋
- radio frequency echo signal 射頻回聲信號
- video frequency echo 視頻回波 返回 echo frequency