yánjiū rényuán / tōngguò / zǔzhī / péiyǎng / jìshù / tígāo / le / lán kē / zhíwù / de / fánzhí / xiàolǜ

研究人员通过组织培养技术提高了兰科植物的繁殖效率。

Researchers improved the propagation efficiency of orchids through tissue-culture techniques.