RFID is an area of automatic identifi cation that is gaining momentum and is considered by some to emerge as one of the most pervasive computing technologies in history. In its simplest form, RFID is a similar concept to bar coding. It is

无线射频识别技术（Radio Frequency Identification，缩写RFID），无线射频识别技术是20世纪90年代开始兴起的一种自动识别技术，射频识别技术是一项利用射频信号通过空间耦合(交变磁场或电磁场)实现无接触信息传递并通过所传递的信息达到识别目的的技术。-RFID (Radio Frequency Identification, abbreviation RFID), radio frequency identification technology is 90 years

THIS A BOOK ABOUT FDTD FDTD IS A NUMERIC METHODE Advances in the Casimir Effect IS THE NAME OF THIS BOOK,SOME ELECTROMAGNETIC PROBLEMS BE SOLVED WITH READING THIS BOOK-THIS IS A BOOK ABOUT FDTD FDTD IS A NUMERIC METHODE Advances in the Casimi