搜索结果: 1-2 共查到“工学 combing”相关记录2条 . 查询时间(0.117 秒)
Combing frequencies
Combing frequencies
2015/7/13
It almost sounds like a riddle: What tool has transformed basic scientific research and led to new technologies in so many different fields--timekeeping, medical research, communications, remote sensi...