通过这种方法，科学家们获得了火星南部高地40亿年到最年轻的火山地区（几亿年）的年龄估计数。
Age estimates ranging from four billion years for Mars's southern highlands to a few hundred million years in the youngest volcanic areas were obtained in this way.
作者总结说，随着全球温度升高，生活在热带山地山脚的物种会迁移到高地，山腰上的物种会迁移到更高的地方。
As global temperatures rise, the authors conclude, species living near the foot of tropical mountains will migrate into the uplands, and mid-elevation species will move even higher.
本发明适用于在山地果园的高地势处和低地势处之间运输水果等货物。
The orchard goods carrying system is suitable for carrying goods, such as fruits, and the like between a high geographical position and a lower geographical position of a mountain orchard.
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