After two days of silence ground control teams received a signal that the spacecraft had put itself into an emergency standby mode.
经过两天的沉默，地面控制队接到信号的飞船把自己变成了紧急待命模式。
After two days of silence ground control teams received a signal that the spacecraft had put itself into an emergency standby mode.
经过两天的沉默，地面控制队接到信号的飞船把自己变成了紧急待命模式。
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