请注意，手机夹，这使得它可以方便地查看相机的视频下行链路。
Note the phone clamp which makes it easy to view the camera's video downlink.
此外，Litening系统还利用视频下行链路为地面部队提供战场态势感知。
In addition, LITENING pioneered the use of video downlinks that provide ground forces with battlefield situational awareness from the perspective of an airborne platform.
目前，EPON系统普遍采用的是两个波长的上下行链路设计，用来传送数据、语音和IP数字视频。
Nowadays, EPON systems usually adopt the design of upstream and downstream to transfer data, audio and IP digital video.
目前，EPON系统普遍采用的是两个波长的上下行链路设计，用来传送数据、语音和IP数字视频。
Nowadays, EPON systems usually adopt the design of upstream and downstream to transfer data, audio and IP digital video.
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