By default, Rational software Architect comes with templates that cover many different software packages, hardware models, operating systems, and many other different units in different domains.

默认条件下，Rational Soft ware Architect模板涉及到许多软件包、硬件模型、操作系统，以及不同域中的许多不同单元。

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Rational layout of the operation units in freight gathering center can reduce the costs of freight transport and logistics and increase efficiency.

合理布局作业单元可以使集货中心节约物料搬运费用，降低物流成本，提高作业效率。

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Optimization results show the necessity and feasibility of rational transformation and maintenance based on performance study of units.

优化结果表明：通过对机组的特性研究，进行合理的改造、维护是非常必要的，而且是可行的。

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By any rational standard the introduction of the Chevy Volt and Nissan Leaf, with fewer than 2, 000 units sold between them last month, can only be described as disasters.

FORBES: Watching The Wheels Come Off The Green Machine