downconversion造句

例句与造句

1. Frequency estimation technology and bandpass filtering , which are named as wideband digital downconversion technology , are the key technologies to realize data rate conversion system
   测频技术以及带通滤波,即宽带数字下变频技术,是实现数据率转换系统的关键技术。
2. It's difficult to find downconversion in a sentence. 用downconversion造句挺难的