它无需对条形码进行激光扫描就能在结帐处辨别货物，从而简化了售卖程序。

These simplify the process of selling things by identifying goods at a checkout without the need for laser-scanning a bar code.

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随后，在基于服务的业务逻辑的结帐应用程序中处理了该复合应用程序。

This composite application is then processed in an accounting application based on the business logic of the services.

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我将所有的都结合到复合的具备帐单功能的应用程序中，也就是在结帐应用程序中进行处理。

I combine all into a composite billing function application that is, in turn, processed in an accounting application.

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