Reflection is the ability for a program at run-time to get information about loaded type and assemblies.

反射是指一种程序在运行时能获得关于载入类型和集合的信息的能力。

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The regular expression is a string loaded from a text file, so you don't need to change the code when you want to add support for a new type of postal code.

由于正则表达式是从文本文件中装载的一个字符串，所以当添加对新类型的邮政编码的支持时，不需要更改代码。

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Hint: the following command provides you with a list of all the configuration files loaded in Service Registry, the file type is sacl.

提示：以下命令将提供一个列表，其中包含Service Registry中加载的所有配置文件，文件类型为sacl。

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Quick Response, or QR, codes are a type of barcode loaded with information that, when scanned with a phone or other device, can open a web page, social media site or video (users first need to download an app, available for iPhone, iPad and Android).

BBC: Rio de Janeiro brings QR codes to its streets