Erle
abbr. echo return loss enhancement 回波回程損耗增量<補(bǔ)償與未補(bǔ)償回波信號功率之比>
??? 情景例句
It's because I have a bad cold.
那是因為我患了重感冒。
I've made a reservation at the hotel you used last time.
我已預(yù)訂了你上次住過的旅館。
Last week No.14 Middle School held a sports meeting on the playground.
上星期第十四中學(xué)在操場舉行了一次運(yùn)動會。