In domestic, for the research of RFID has just started to develop for a few years, many works of RFID are still in initial stage and far behind other counties.

在国内，由于引入RFID技术相对较晚，各方面的工作还处于起始阶段，与国外的技术与产品有比较大的差距。

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One might question why the United States, alone, should be involved in every single case of counties that wish to develop nuclear weapons.

CENTERFORSECURITYPOLICY: A closer look at Brazil's foreign policy