Focus on thinking simultaneously at different levels of abstraction.Closer to the applied end of computer science, algorithms are expected to run on real systems.

同时，专注于不同层次的抽象概念。 算法接近于计算机科学的应用的边缘，人们期望它运行在真实的系统。

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The password is a kind of protection means of the computer systems has been applied extensively.

口令作为一种保护手段被广泛应用于计算机系统中。

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Along with the rapid development of microelectronics and computer technology, embedded systems have been applied to many fields.

随着微电子和计算机技术的飞速发展，嵌入式系统被应用到众多领域。

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When the bag is checked in, the tag is applied, and the airline's computer systems associate the tag's code with the passenger's electronic ticket.

ECONOMIST: REPORTS