task switching meaning in English

任务交换
任务切换

Review on the researches of executive control in task switching
任务转换中的执行控制研究
In fact , i ve delivered the iteration2 milestones early without the overhead of task switching
事实上，我在没有高层任务开关时早就发布了迭代2里程碑。
If too many threads are executing at the same time , the task switching overhead becomes a significant factor
如果同时执行的线程太多，任务切换开销就成为影响性能的一个主要因素。
A mere half second of time lost to task switching can mean the difference between life and death for a driver using a cell phone , meyer said
迈耶称，对一位驱车驾驶过程中打手机的司机而言，在任务转换过程中，半秒钟的时间延误就能决定他的生死存亡。