Once they get a temperature reading on the thermocouple indicating they found the sun, then they slow down and do a fine search, then all the petals will move into position, and then the engine will start.
一旦热传感器上的温度显示已经找到了太阳， 速度就降下来，开始微调， 每个瓣体各就各位，引擎开始工作。