摘要:
CCIR 656CCIRComite Consultatif International des Radiocommunications. The agency responsible for the international use of the radio spectrum. Effective in 1993, the CCIR is now known as the Internat... 阅读全文
摘要:
CCIR 656CCIRComite Consultatif International des Radiocommunications. The agency responsible for the international use of the radio spectrum. Effective in 1993, the CCIR is now known as the Internat... 阅读全文