我们给时钟编了程序，如果河流继续以现在的速度流动的话，那么就让它与原子钟相匹配。
We've programmed it to match an atomic clock if the waterways continue to flow at their present rate.
如果地球上的人口继续以现在的速度增长，所剩的资源将不足以维持地球上的生命。
If the population of the earth goes on increasing at its present rate, there will not be enough resources left to sustain life on the planet.
一些科学家估计，以现在的速度使用石油，全世界已探明的石油储量可能在10至15年内消耗。
Some scientists estimate that at the present rate of use, the world's known oil deposits could ran out in from 10 to 15 years.
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