Further, the paper study modular assembly design in the conceptual design step, and make assembly constraint modeling through constraint classification.

进一步研究了概念设计阶段的模块化装配设计，并在分析了装配约束分类的基础上实现装配约束建模。

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Compared with traditional design methods based on the modular assembly language, this method has improved the readability and maintainability of the code, thus making the relay software more flexible.

与传统的基于模块的汇编语言软件设计方法相比，该方法提高了程序的可读性和可维护性，使保护软件具有更大的灵活性。

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Series 709 features a modular design concept which facilitates complete maintenance and assembly by retaining the spring load.

系列709采用模块设计概念，弹簧负载的保持有助于全过程的维护和组装。

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The upside, though, is tantalizing: If it works as it should, modular assembly, VW says, will save at least 20% a year in car costs and shorten assembly times by 30%.

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