产品信息建模是产品设计活动的基础。
Product information modeling is the foundation of product design activity.
铁路机车车辆虚拟样机系统为产品设计和生产过程的优化提供了集成的建模和仿真环境。
The virtual prototype system of railway locomotives and vehicles provides a modeling and simulation environment for optimization of product design and production process.
随着测试性设计技术的广泛应用，测试性建模与分析技术日益受判产品设计人员的关注。
The testability modeling and analysis technology was more and more emphasized by the product designer with widespread application of design for testability.
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