通过服务器端所有三层中的组件实现一个典型的电子商务应用用例。

A typical e-business application use case would be realized by components in all the three layers on the server side.

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然后，将组件结合或集成到复合应用程序中来提供第三层的服务。

Components are then combined or integrated into composite applications to provide services in the third layer.

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传统软件开发人员通常构建应用程序中的一个模块，或典型的三层体系结构中的单个层的一部分。

Traditional software developers generally build either a module within an application or a portion of a single layer in typical three-tier architecture.

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When I started merging, I did merging three times across this whole board, this level, this level, and this level, and each time because of the way I was advancing my fingers I touched each number just once.

在整个过程中，我一共做了,三次合并，这一层，这一层，和这一层，而且每次,由于要前移手指，因此对每个数字,仅仅移动了一次。

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