Improve the accuracy of weather and wind forecasts on time scales from hours to days.

把天气和风力预报的准确性的时间尺度从几个小时的提高到几天的。

youdao

But these motions are composed of a myriad of scales or groups of scales with time scales ranging from seasons to minutes.

这些运动是由大量各种不同尺度或者说是由多尺度所组成，其时间尺度从几个季节到几分钟。

youdao

New species came into being over tens and hundreds of thousands of years. But these are time scales and generations that we cannot imagine.

数万年间，又有新的物种衍生，但这个时间尺度如此之长、繁衍的代数如此之多，远非人类能够料想得到。

youdao

As you point out, the charges and time-scales for these are ludicrous and there has been no practical alternative.

ECONOMIST: Letters | The

Recently, geoscientists have begun to investigate the PETM in order to better understand the fate and transport of increasing greenhouse-gas emissions over millennial time scales.

FORBES: Breaking News: The Climate Actually Changes!

It is not the first time science has aimed to replicate the feat - albeit at smaller scales.

BBC: Star Trek style 'tractor beam' created by scientists