You can think of a fragment as a modular section of an activity, which has its own lifecycle, receives its own input events, and which you can add or remove while the activity is running.

可以认为一个fragment就像一个activity中的模块，它提供了自己的生命周期，接收用户的输入事件，并且可以在activity运行时添加或移除。

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The software's design uses modular method to accomplish the system's functions, including data input, storage, manage, output etc.

软件设计采用结构化程序设计方法，完成了数据的输入、存储、处理、输出等功能。

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The modular construction, used in the software of the system, consists of image input, output, processing, editing and analysing units as well as image database and graphics processing device.

该系统的软件采用层次模块结构。 它包括图象输入、图象输出、图象处理、图象编辑、图象分析、图形处理以及图象数据库。

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