video spectrum的意思|示意

There are three major constraints on streaming video to a mobile device over the air: wireless spectrum, backhaul, and the device itself.

把流媒体视频无线传送到移动设备存在三大问题：无线带宽、回程，以及设备本身。

By economising on scarce mobile spectrum, femtocells might prove most useful in managing the rapid growth of internet and video traffic to smartphones and tablet computers.

通过节省稀缺的移动频谱资源，飞蜂窝或许还能在应对激增的智能手机，平板电脑的网络以及影像流量上发挥最大的作用。

The availability of the whole spectrum of colours opened up new applications, from full-colour video screens to display backlighting.

全色谱的获得开创了从全彩录像屏幕到逆光显示等新的应用领域。