射频频谱; 射电谱

radio spectra───无线电频谱

arc spectrum───电弧光谱

band spectrum───带状光谱

mass spectrum───n.[光]质谱

wide spectrum───宽频谱

emission spectrum───[光]发射光谱；放射谱

broad-spectrum───广谱

flash spectrum───闪光光谱

line spectrum───[光]线状谱；光谱线

The radio spectrum used in narrowband Personal Communications Services ( PCS ).───用于窄带个人通信业务 ( PCS ) 的无线频谱.

Radio operates, as you might expect, in the public portion of the radio spectrum.───正如想象的那样, 无线电工作在无线电频谱的公共部分.

Similarly, some sensors already make more efficient use of another scarce resource: radio spectrum.───相似的是，某些传感器已在更高效地利用另一种稀有来源——射电谱。

Located in the radio spectrum on the frequency of two specific parts of the boundaries between.───无线电频谱上位于两个特定的频率界限之间的部分.

Bosses bemoaned the downturn and demanded free radio spectrum to stimulate the industry.───大佬们唉叹业绩下滑,要求免费的频谱来刺激行业的发展.

LIKE a deity , radio spectrum is invisible, omnipresent and commands awesome power.───无线电波像神明一样, 无法看到而又无处不在,并拥有让世人敬畏的力量.

Another bonus: Once analog broadcasting ends, the prime radio spectrum it now uses will auctioned off.───另外一大好处是: 一旦类比式播放系统停用, 它目前所占用的主要无线频谱就会被拍卖出去.

radio spectrum can carry only so many stations, and a coaxial cable so many TV channels.───频谱范围内的无线电波只能搭载有限的广播频道；同轴电缆只能传 输有限的电视频道。