After the concepts introduction of product life cycle and circular economy, a resource circulation model is presented in this paper.

介绍了产品全生命周期和循环经济的概念，提出了产品的资源循环模型。

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Applying with special experiment condensation, typical synthesis minification, experiment resource circulation and classroom educated criterion, we will create new pro...

通过采用性质实验压缩化、经典合成小量化、实验资源循环化、课堂带教规范化手段，开创绿色教学新前景。

youdao

Applying with special experiment condensation, typical synthesis minification, experiment resource circulation and classroom educated criterion, we will create new prospect of gre...

通过采用性质实验压缩化、经典合成小量化、实验资源循环化、课堂带教规范化手段，开创绿色教学新前景。

youdao