如果司机没有反应，制动就会自动生效。
If the driver fails to respond, the brakes come on automatically.
进行修改时，没有必要重新启动服务器，更改将自动生效。
It is not necessary to restart the server when changes are made; the changes take effect automatically.
这些改进会自动生效，无需改变应用程序的任何代码，也不用重新编译。
Applications do not need to change any code, nor be recompiled, in order to take advantage of these improvements so the benefits are automatic.
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