But the entire JSF program (including the "a" model designed for the Air Force) has been troubled, with unexpectedly complicated software among the many causes of delays and cost overruns.

整个JSF计划都面临着严重的问题(包括为空军设计的“A”型机)，软件系统过于复杂导致研发拖后，以及经费超支。

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In the world of software, a program's represented model can (and often should) be quite different from the actual processing structure of the program.

在软件世界里，程序的表现模型可以(也常常应该)与程序的工作结构迥然不同。

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Please tell us the name of the manufacturer, the model number, and the memory information about the proper software program for your needs.

请将贵公司决定安装微机的厂商名称、型号和微机存储量见告，以便按贵方需要提供适当软件程序的全部情况。

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