线框图不捕捉粗略的概念，取而代之的是直接开发。
Wireframes don't capture rough ideas but rather develop them.
采用面向对象的设计方法，对部分模块给出了详细设计过程，包括用例设计、概念模型和顺序框图。
Adopting the object-oriented design method, the detail design of some modules is given, which includes use case design, concept model and sequence diagram.
本文根据自控原理中传递函数的概念，建立盒式录音机机芯走带系统的数学模型——系统传递函数框图。
In this paper, the concept of transfer function in control engineering is applied to produce a mathematical model for the play system of cassette recorder mechanism—block diagram of transfer function.
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