The communication time-delay concludes the delay of remote control commands and telemetry signals, which is brought by light transportation speed.

通信延迟包括遥控指令的延迟和遥测信号的延迟，主要是由光传播速度造成的。

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Any communication between the crew and mission control will be subject to 20-minute delay to simulate the time it would take for signals to reach Earth.

船员们与任务指挥中心间的任何通讯都会有20分钟的延迟，以模拟信号到达地球所需的时间。

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The optical fiber communication technique is well suited to a large delay time, due to the low attenuation and chromatic dispersion of the fiber, and to its high bandwidth.

通信技术中使用的光纤，由于其低耗与宽带特性，能较好地满足这种要求。

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