大家在查： NAFSA 56-29 咬定青山 banminth 膜周部金喜素 SwordG Threephase Fe-Ni-B 纳米非

17GHz

17GHz

17GHz

17GHz

1

Radio-frequency channel arrangements for digital radio-relay systems operating in frequency bands below about 17 GHz

工作在 17GHz 以上频带的数字无线中继系统的射频信道安排

2

Radio-frequency channel arrangements for radio-relay systems operating in frequency bands above about 17 GHz

工作在 17GHz 以上频带的无线中继系统的射频信道安排

3

Characteristics of radio-relay systems operating in frequency bands above about 17 GHz

工作在 17GHz 以上频带的无线中继系统的特性

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