If there is no proper available spring wire, rubber band instead of spring made of simple rubber band dynamometer.

如果没有适当的弹簧钢丝，可用橡皮筋代替弹簧制成简易橡皮筋测力计。

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This paper describes a simple-structured digital-display dynamometer that outperforms the traditional spring-type one. It also discusses the design of the dynamometer in detail.

本文介绍了一种结构简单的数显式电子测力计，性能优于传统机械弹簧式测力计，对其设计计算进行了详细的分析与论述。

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