... active return loss 释义：回声衰减,回波损耗 pulse-echo system 释义：脉冲回波系统,脉冲回波仪 echolocation 释义：回声定位,回波定位 ...
双语例句
1
It is introduced that a kind of large dynamic range laser pulseecho power measurement system.
介绍一种大动态范围激光回波功率线性测量系统。
2
The imaging experiment of spin-echopulse-sequence was accomplished and images of good quality were obtained by using the homemade NMR micro-imaging system.