It works the same way as switchingengine sound on or off.
它的工作原理相同的方式，作为开关打开或关闭的发动机声音。
2
Why does switching to the MEMORY engine increases the table size?
为什么切换到存储引擎增加表的大小？
3
By analyzing the structure the working mode, and the switching process of parallel hybrid electric vehicle, the importance of engine speed regulation was discussed.