This paper presents a new approach to evaluating the software reliability of Automatic Air Traffic Control System (AATCS) -pcr based software reliability assessment.

文章提出了评估自动化空中交通管制系统(AATCS)软件可靠性的一种新方法—基于PCR的软件可靠性评估。

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This approach can also be used to model and simulate some very complicated circuits, power electronics conversion circuits, electric driven automatic control systems etc.

利用该方法还能对非常复杂的电路、电力电子变流系统、电力拖动自动控制系统进行建模仿真。

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Nc automatic program is a mainstream of the programming approach in the current numerical control process, and it has a series of merit such as quick speed, short period, high quality and convenience.

数控自动编程是当前数控加工中编程方法的主流，它具有编程速度快、周期短、质量高、使用方便等一系列优点。

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