它是利用存储在计算机内人类专家的知识，来解决过去需要人类专家才能解决的现实问题的计算机程序系统。

It USES the relevant human experts' knowledge registered in computer to provide expert quality advice, diagnoses and recommendations, which normally would require a specialized human expert.

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全国的计算机系统正受到一系列称做病毒的神秘的异常程序的影响。

Computer systems throughout the country are being affected by a series of mysterious rogue programs, known as viruses.

《柯林斯英汉双解大词典》

视觉思维使格兰德能够在她的想象中构建整个系统，这与计算机程序的工作原理类似，因为它可以产生三维设计模拟。

Visual thinking has enabled Grand to build entire systems in her imagination, which works similarly to a computer program because it can produce three-dimensional design simulations.

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You can touch almost any part of memory in the computer systems that you want with your program, but do you want to?

通过你的程序，你可以触及到计算机系统,内存的任意部分，但是那是你想要的吗？

哈佛公开课 - 计算机科学课程节选