Perhaps willfully, it may be easier to think about such lengthy timescales than about the more immediate future.
可能有人固执地认为,考虑如此长的时间跨度可能比考虑即将到来的未来更容易。
But if silent genes degrade within 6 to 10 million years, how can long-lost traits be reactivated over longer timescales?
但是,如果沉默基因在600万到1000万年内退化,那么失去已久的性状如何在更长的时间内被重新激活呢?
Instrumental records do not go back far enough to provide us with reliable measurements of global climatic variability on timescales longer than a century.
仪器上记录的年代不够久远,因而无法可靠地提供一个世纪以前全球气候变化的测量值。
What the proxy records make abundantly clear is that there have been significant natural changes in the climate over timescales longer than a few thousand years.
代理记录充分表明的是,气候在比几千年更长的时间跨度内发生了重大的自然变化。
We can make the changes on timescales that are very fast, "he said."
我们人类却能在很短的时间内对居住地做出适应性的变化。
Although rare on human timescales, over geologic time earthquakes are frequent in the area.
影响地质时期的大地震虽然在人类的历史中非常罕见,但该地区地震活动自古以来就非常频繁。
Studies have shown that both types of memory can be extremely fragile over their respective timescales.
研究结果表明这两种记忆模式在经过相应的时间之后,都会变得非常脆弱易逝。
Regeneration is vast in its scope and its timescales but almost unimaginably delicate in the undertaking.
从时间和空间上讲,城市重建都是浩大的工程,是一项难以置信的巧夺天工的事业。
Other researchers are exploring deep timescales to look for climate's influence on our evolutionary origins.
其他研究人员正在探索使用深层时间跨度来证明气候对我们进化起源的影响程度。
Chose a suitable first trial project with a trusted business customer, a real problem and challenging timescales.
选择一个合适的项目作为第一次尝试,和一个信任的业务客户合作,尝试解决真正的问题,并挑战时间压力。
Agree with the team the objectives for the iteration, including evaluation criteria, timescales, and constraints.
对迭代的目标,包括评估标准、时间表和限制,与团队达成协议。
This will ensure that action taken is appropriate, both in terms of the issues and the timescales of correction.
这将确保适当的行动,要根据问题点和整改时间。
The billions of pounds of subsidies will end when Britain leaves the EU, which on current timescales will be in spring 2019.
按照现在的退欧时间表,英国将于2019年春天脱离欧盟,届时数十亿英镑的补贴将会中断。
Add in the effects of chance (what is known as the Monte Carlo simulation method), and you end up with what should be a plausible range of timescales and costs.
再考虑随机的影响(即已知的蒙特卡罗模拟方法),最后人们可以得出制药时间和成本的合理范围。
And it's the process by which you clearly and precisely define the scope of the project, so that you can assess the timescales and resources needed to complete it.
而且运用这个流程您可以清晰地、精确地对项目进行定义,这样您就可以评估需要完成此项目所需的时间和资源。
We generally aim to model larger and more realistic systems and to explore processes that happen on longer timescales, with more accurate and more computationally efficient approaches.
采用更加精确和更加计算有效的方法,我们通常的目的在于模拟更大更加真实的体系,探索长时间跨度的过程事件。
Evolution of new species typically takes at least hundreds of thousands of years, and recovery from mass extinction episodes probably occurs on timescales encompassing millions of years.
新物种的进化通常要花费最少几十万年,而且恢复大规模物种灭绝中的一小段也可能需要几百万年。
Evolution of new species typically takes at least hundreds of thousands of years, and recovery from mass extinction episodes probably occurs on timescales encompassing millions of years.
新物种的进化通常要花费最少几十万年,而且恢复大规模物种灭绝中的一小段也可能需要几百万年。
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