民用頻帶 的英文怎麼說
中文拼音 [mínyòngbīndài]
民用頻帶
英文
citizens band-
These include the well - known am, fm, shortwave and citizens bands and vhf and uhf television channels, as well as hundreds of less familiar bands that serve cellular and cordless telephones, gps trackers, air traffic control radars, security alarms, radio - controlled toys and the like [ see box on page 71 ]
這些頻率包括眾所周知的am 、 fm 、短波、民用頻帶, vhf和uhf電視頻道,以及數百個較不為人知的頻帶,供行動電話、家用無線電話、 gps追蹤系統、航空管制雷達、安全警示與無線電遙控玩具等使用(見85頁無線電頻譜) 。Citizen ' s band
民用電臺頻帶The recreational belt around metropolis ( rebam ) is both a result of the development of chinese cities and urbanization that has been developed to a certain degree and a boost as well as reparation of urbanization
環城遊憩帶既是中國城市與城市化發展到一定水平的產物,也是對城市化的一種彌補和促動。為滿足城市居民的遊憩需要,在大城市郊區出現了市民頻繁使用的遊憩設施、場所和公共空間。
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