ratio cline的用法和样例:
例句
- Callaham and Liddicoet found an elevational cline in ponderosa pine from Northern California.
卡拉汉和利狄柯特发现加利福尼亚北部产的黄松有一海拔渐变群。
- The populations at each end of the cline may be substantially different from one another.
在渐变群两端的种群是完全不同的。