analogue approach

例句：

1. 1.The scientist used a model to explain the process of electricity.
   科学家用一个模型来解释电的过程。
2. 2. Analogues can be used to compare different systems or processes.
   类比可以用来比较不同的系统或过程。
3. 3.The analogue circuitry is responsible for controlling the speed of the car's engine.
   模拟电路负责控制汽车引擎的速度。