exogenous hormone

• 外源激素

exogenous hormone的用法和样例：

例句

1. Effects of Exogenous Growth Regulators on the Living Rate of Top Grafting and Branch Growth of Ginkgo biloba L.
   外源激素对银杏高位嫁接及其枝梢生长的影响。
2. The endogenous hormone changes of cutting woods trees and those of softwood cuttings were contrarieties.
   采穗母树的内源激素变化与插条的内源激素变化相反。