drawing from nature meaning in English

写生画

The applications of bionics in power electronics were firstly proposed as a new research subject . some inspiration or new ideas on the technology of power electronics can be drew from nature
学习和借鉴大自然中各种生物结构和功能机理，在电力电子学研究过程中可以产生一些新的研究思路。
But wrote down from memory difficultly to be many , it has been separated from the concrete physical image completely , requests experience which the examinee acted according to usually draws from nature , will probably test the content organized
而默写就难多了，它完全脱离了具体的物象，要求考生根据平时写生的经验，将所要考的内容组织好。