1. 名詞
   canceller複數: 取消者
   相互抵銷者
   消除器
   補償設備
   

   同義字詞
   balance,corrective,counter,counteraction,counterbalance,counterforce,counterpoise,counterweight,equipoise,neutralizer,offset
   

例句

1. Cancellers
2. Most echo cancellers are able to apply 18 to 35 dB ERLE.
3. How else will they get to the level of the super-star cancellers ?
4. G.131 - if the one-way delay exceeds 25ms then echo cancellers must be used.
5. No conference environment is truly complete without acoustic echo cancellers hung form the ceiling.
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