中粒种 meaning in Chinese

medium-sized seed

The results of this study are as follows : l . a simple , fast , and efficiency method for extracting of total rna from coffee bean has been used by rna extracting kit which were improved in this paper . 2 . two mat _ peptides cdna encoding n - gal have been cloned by rt - pcr from coffee bean ( c . liberica & c . canephora )
本研究分离克隆了大粒种咖啡( coffealiberica )与中粒种咖啡( coffeacanephora )的- gal成熟肽编码区的cdna ，而后利用二种微生物表达系统进行重组发酵表达的研究，研究结果如下： 1