地理变异 meaning in Chinese

geographic variation
geographical variation

Discontinuous geographic variation is often set aside as a special case .
不连续地理变异，人们往往作为一种特殊情况把它分开。
Small amounts of geographic variation have been demonstrated in several other traits, such as cortical concentration of certain monoterpene .
在其他几个性状上，亦经证明有少量地理变异，诸如皮部的某些单萜烯浓度。
Geographical variation in the breeding systems of an invasive plant , eichhornia crassipes , within china
入侵植物凤眼蓝繁育系统在中国境内的地理变异
First , the behavior must vary geographically , showing that it was invented somewhere , and it must be common where it is found , showing that it spread and persisted in a population
首先，那个行为的分布必须有地理变异，显示它是在某地发明的；而在发现它的地方是共有的行为，表示它在族群中已散布开，并且能代代相传。