By using variables and user-defined functions we can encapsulate applications and algorithms.

通过变量和用户自定义函数的使用，我们可以封装应用程序和算法。

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PHP uses one of these algorithms to compress files just like other applications and gets the same results any other language or program would. Let's go through an example.

PHP 将像其他应用程序一样使用这些算法之一来压缩文件，并获得任何其他语言或程序将获得的结果。

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That's simply not the case anymore-today's applications are drowning in data and transactions that need to be processed with increasingly sophisticated algorithms.

今天的应用沉浸在大量的数据和事务里，它们需要被日益复杂的算法来处理，简化之后，再不会出现这种情况了。

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Using an approach known as "inertial navigation", modified from military and industrial applications and Dr Donikian's own work with firefighters and first responders, Navisens' algorithms process raw data gleaned from low-cost motion sensors on smartphones.

BBC: Technology that works behind closed doors