To resolve this problem, a free space transmission system for optical signals is developed on base of diffraction effect of acoustooptic crystal.

由于电信号传输系统保密性和抗干扰能力差，为此，利用声光晶体的衍射效应研制了一种光信号自由空间传输系统。

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The infection of the space charge was observed by simulating the transmission of the beams, and the parameters of the system were optimized to control the envelope of the beam.

通过模拟束流的传输过程，观察空间电荷效应对束流产生的影响，进一步对注入系统的元件参数进行适当的优化，从而对束流包络进行控制。

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The transmission of audio and video data becomes more and more important in the space data transmission system.

空间数据传输系统中，音、视频数据的传输变得越来越重要。

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California, like other states that are in the midst of carrying out their green energy goals, is constrained by the amount of space it has available on its transmission system.

FORBES: Lobbyists Try to Halt State Green Energy Standards