对框架来说，一个实用方法是编写核心功能，将更多结构应用到其中，使其具有可扩展性并简化接口。
A practical approach to a framework is to write the core functionality and then apply more structure to it to make it extensible and simplify the interface.
数十年来，程序员们使用模型-视图-控制器简化了代码结构，并使得维护任务更加容易。
Programmers have simplified their code structure and eased maintenance tasks with Model-View-Controller for decades.
本发明相比于公知的像素结构制作方法，可以简化工艺步骤并减少光掩模的制作成本。
Compared with the well known manufacturing method of a pixel structure, the invention can simplify processing steps and reduces the manufacturing cost of photomask.
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