In a UHF passive RFID system, a reader transmits an unmodulated continuous wave (CW) to tags, which not only provides energy to tags but also serves as the carrier of tag backscatter signals.
在超高频被动式射频辨识系统里，读取器传送未调变过之连续
给标签，
不但可
量给标签也作为标签反向散射的载。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
） And while thus buzzing freely from fall to fall, he is frequently heard giving utterance to a long outdrawn train of unmodulated notes, in no way connected with his song, but corresponding closely with his flight in sustained vigor.
样从一个坠落到另一个坠落自由自在地嗡嗡作
，人们经常听到他发出一长串未经调制的
，
与他的歌曲毫无关系，但与他持续的活力飞行密切相关。
