毛竹林土壤养分的结构性变异大于随机变异。
The structure variance of soil nutrient is bigger than the random variance.
答案是基因随机变异，这一点儿不讨人喜欢。
The unflattering answer could be for no other reason than random genetic drift.
合并双亲的DNA，对合并后的DNA应用随机变异以模拟繁衍。
Merging the parents' DNA, and then applying a random mutation to the merged DNA simulates procreation.
应用推荐