Theoretical modeling is the foundation for the characteristics research of combined cycle systems, while the versatility and precision of models constitute a central issue of modeling.

联合循环系统特性研究的基础是理论建模，而建模的核心问题是模型的通用性和精细性。

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Ultimately, this will increase your ability to manage schema life cycle and allow your schemas to interact efficiently with other systems.

最终，这将提升您的能力，来管理模式生命周期和让您的模式高效地与其他系统交互。

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As with any software system development, business rules systems have a defined life cycle.

与任何软件系统开发一样，业务规则系统具有已定义的生命周期。

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In the process, though, it fractures the product life-cycle for systems built by those private companies, raises overhead costs on remaining work, and in general make the companies less competitive.

FORBES: How The Pentagon's Policies Hurt U.S. Manufacturing

These transition processes will include an agency's capital planning and investment control processes, agency EA planning processes, and agency systems life cycle methodologies.

WHITEHOUSE: CIRCULAR NO. A-130 Revised

Agencies must incorporate security into the architecture of their information and systems to ensure that security supports agency business operations and that plans to fund and manage security are built into life-cycle budgets for information systems.

WHITEHOUSE: CIRCULAR NO. A-130 Revised