People buying medicine scratch off a panel attached to the packaging. This reveals a code, which they can text to a computer system that looks it up in a database.

人们买药时撕掉贴在包装上的一个标签，就会得到一串码，然后通过短信形式把它发送到一个计算机系统，通过这个系统可以在数据库中查询到相关信息。

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The familiar windowed desktop of any operating system is simply a layer on top of the core code that makes it easier for you to interact with your computer.

任何操作系统中的桌面环境只是系统核心之上简单的一层，使用它能更方便地和计算机交互。

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Notice that the examples above refer to computer code that does not run under control of the z/OS operating system.

注意，上面那些例子指的是不在 z/OS 操作系统控制下运行的计算机代码。

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Cynics reckon that the Grid is merely an excuse by computer scientists to milk the political system for more research grants so they can write yet more lines of useless code.

ECONOMIST: REPORT: COMPUTER NETWORKS: Computing power on tap | The

Ubuntu is based on the Linux operating system and its development and use is governed by an open ethic that emphasises the sharing of core computer code.

BBC: China to create home-grown operating system

The other half worked on the back end, crunching computer code to build systems for order-processing, distribution and inventory flow and to integrate a new Web site tracking system with the existing ones.

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