I remember switching off the lights before we left the room.
我记得我们离开房间之前把灯关上了。
2
However, it is not possible to optimize a hardware context switch, while there might be room for improving the current switching code.
然而，不可能优化硬件上下文切换，而改进当前的软件切换代码还有空间。
3
The influences of the PTCR's characteristic parameters such as switching temperature, room resistance of samples, and dissipation coefficient, etc. on the thermal power of heaters are investigated.