Finally, the separation of operational databases from data warehouses is based on the different structures, contents, and USES of the data in these two systems.

最后，数据仓库与操作数据库分离是由于这两种系统中数据的结构、内容和用法都不相同。

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In fact, we could say we are concerned with primarily two things: the service oriented systems that provide behavior to users, and the parts out of which these systems are made.

事实上，可以将考虑的事项归为两个主要部分：向用户提供行为的面向服务的系统和组成这些系统的各个部件。

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If you're going to get serious about robotics, you'll soon want more than either of these two systems provide in their base kit.

如果您打算认真研究机器人技术的话，那么您很快就会发现这两种系统所提供的基本套件已经不能满足您的需要。

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These two systems which are shown in the core of this diagram really are responsible for regulating and exchanging information between the other organ systems.

在这张图的中心画的就是这两个系统,它们的功能是调节其他系统,并与之交换信息

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In contemporary life, the relationship between these two systems has changed dramatically.

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The kinds of analysis that report massive, sustained, falling costs for renewable plants often assume that capital costs are recovered in steady-state fashion over the full, rated, life-cycle of the machinery, when in fact investors in these systems always strive to recover their costs much sooner to beat the diminishing returns that set in once two-thirds of the life-cycle is spent.

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