In a natural system, a certain amount of recharge comes in and a certain amount of water naturally flows out through springs, streams, and lakes.

在一个自体系中，会有一定量补给流进来，也会有一定量自地流出进入泉、溪流和湖泊。

Suki's work that started in 1960s allowed us to quantitatively and predicatively, simulate the behavior of the climate system.

Suki 工作始于20世纪60年代，这让我们能够定量和预测地模拟气候系统行为。

We can then use them qualitatively and quantitatively to solve problems.

后我们可以定性定量地使用它们来解决问题。

To express the conservation of mass qualitatively and quantitatively?

定性和定量地表达质量守恒？

Americans have progressively defined the process of plant growth and reproductive development in quantitative terms.

美国人已经逐步定量地界定了植生长和繁殖过程。