In Figure 3, the gear box represents abstractions that deal generically with some fundamental data structure, and the yellow box represents portable code, encapsulating data inside it.
在图3中，齿轮箱代表处理一些基础数据结构的抽象，而黄色箱代表可移植代码，将数据封装在里面。
It transforms the fixed-shape gear three-dimensional model into numerical code inputting, and then the numerical machine can directly fix the blank.
将修形共轭齿轮三维模型转化为数控代码输入数控机床，由数控机床将毛坯直接加工。
It adopts the digital code signal to control the gear changing and the states of the electric switch.
电子选发器采用数码信号控制换档和电子开关选通，从而克服了机械选发器的弊端。
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