准备好信号设备，供急用。
开始健康的新恋爱关系也是孩子基本准备好要离开父母的羽翼的信号。
Starting healthy new dating relationships also serves as a signal of kids' overall readiness to launch from the parental nest.
此信号表明，该卫星运转良好且准备好开始轨道演习和操作测试。
The signals indicate that the spacecraft bus is functioning normally and ready to begin orbital maneuvers and operational testing.
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