variable modulation造句

例句与造句

1. In order to support multi - rate transmission in ds - cdma , many cdma techniques such as multi - code ( mc ) scheme , orthogonal variable spreading factor ( ovsf ) and variable modulation have been used
   在ds - cdma系统中多速率传输的方法有很多种，例如多码方案( mc - cdma ) ，正交可变扩频增益方案( ovsf )和多调制方案等。
2. It's difficult to find variable modulation in a sentence. 用variable modulation造句挺难的