extrinsic study

基本解释

However, one study found that salespeople who wanted extrinsic rewards were less effective in salary-only plans.
然而，一项研究发现销售人员想获得纯粹工资计划少有的额外奖励。
We summarize the extrinsic and domestic drug study of resistanting HIV infection in mechanism, application and cautions.
本文综述了国内外抗HIV感染的研究情况，从机制、应用与注意事项几个方面分别作介绍。
Study on the co-expression of extrinsic gene in transgenic plants using the mold plant tobacco was significant in investigation of expression condition of the anti-insect gene.
利用烟草这一模式植物研究外源基因在转基因植物中的协同表达，对抗虫基因工程研究有一定理论意义。

外部研究
The third part focuses on the discussion about intrinsic and extrinsic study.
第三部分是对内部研究与外部研究的探讨。
语言学
外部研究