例句與造句

1. Performance and test methods of 30 channels pulse code modulation multiplex equipment at 2048 kbit s
   2048 kbit s 30路脈碼調(diào)制復(fù)用設(shè)備技術(shù)要求和測試方法
2. It's difficult to find pulse code modulation multiplex in a sentence. 用pulse code modulation multiplex造句挺難的