路线图和参考体系结构应该为任何给定域的产品选择提供指导原则甚至选项，以确保实现企业范围的优化。

The roadmap and reference architecture should provide guidelines, and even options, for product selection for any given domain to ensure enterprise-wide optimization.

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如果在合成某一个目标分子时有几条合成路线，则应按照一定的原则来进行选择。

If one of target molecules can be synthesized in some synthetic routes, we must follow the principles to make the choice.

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提出数控加工中加工路线的确定原则和选择要点，以保证加工质量与提高生产效率。

It presented the determinate principle and the selection points of machine path, so that to ensure the machining quantity and to raise the production efficiency in nc machining.

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