With a flexible API and a robust event override system, MODx makes building engaging web projects straightforward — or changing core functionality without hacking the core code possible.

通过灵活的API和健壮的事务撤销系统，使用MODx建立绚丽的WEB项目显然会一帆风顺——也许你还可能需要改变核心功能，可是尽管这样也不需要破解核心代码（注：开源的嘛！）

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Note that the problem with allowing such potentially explosive code is not that programmers could intentionally override the type system in their own code.

请注意允许这种有潜在“爆炸性”的代码存在所带来的问题并不是程序员 有意在自己的代码中覆盖类型系统。

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Taking the citywide traffic system example above, an analysis level might include system elements such as the traffic signaling, traffic detection, central control, and override control, among others.

在上面全市交通系统的例子中，分析层级可能包括诸如交通信号、交通探测、中央控制和过载控制等系统元素。

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As it happens, Toyota later announced that it is planning to install as standard equipment a brake override system in which the brake will stop the car even if the accelerator is pressed simultaneously.

FORBES: Jerry Flint, Toyota and Big Feet

For example, you can create an out-of-office message that includes a link to an online form that a person can use to override your filter system and send a text message to your phone.

BBC: Managing e-mail while on the road

The system can be automated, although an operator is able to override it.

BBC: Fact file: Patriot missile defence