These episodes of rapid evolution are separated by relatively long static spans during which a species may hardly change at all.

这些快速进化的阶段被相对较长的静态跨度分隔开来，在此期间，一个物种几乎不会发生任何变化。

The world's largest existing marine reserve, established last year by the British government in the Indian Ocean, spans 554,000 km2 and is a no take zone throughout.

去年，英国政府在印度洋建立了世界上现存最大的海洋保护区，跨越55.4万平方公里，整个保护区均是禁渔区。

In addition, new digital technologies have allowed more rapid trading of equities, quicker use of information, and thus shorter attention spans in financial markets.

此外，新的数字技术已使得股票交易更迅速、信息使用更快捷，且因此使得金融市场中注意力的时间跨度更短暂。

Travellers get from one side to the other by walking across a footbridge that spans a little stream.

旅游者通过一座横跨小溪的人行桥从一边走到另一边。

Geographic isolation also can proceed slowly, over great spans of time.

地理隔离也可能在很长一段时间内进展都非常缓慢。

Completely Geographic isolation also can proceed slowly, over great spans of time.

完全的地理隔绝也可能在很长一段时间内缓慢地发展而成。

The technologies themselves, and their makers, are the easiest suspects to blame for our diminishing attention spans.

技术本身，以及它们的制造者，最容易被怀疑是造成我们注意力持续下降的罪魁祸首。

From end to end, the Milky Way's starry disk, observable with the naked eye and through optical telescopes, spans 120,000 light-years.

从一端到另一端，银河系布满星星的圆盘横跨12万光年，可以用肉眼和光学望远镜观察到。

Because of longer life spans, Americans are also boosting their savings to preserve their nest eggs, the TD Ameritrade study showed, which surveyed 2,000 adults between 40 to 79.

德美利证券公司的该项研究调查了2000名40至79岁的成人，研究表明，由于寿命延长，美国人也在增加储蓄以留存养老储备金。

Architecting spans many disciplines.

软件架构跨越很多学科。

The dialog utility spans the two worlds.

dialog 实用程序跨越两个世界。

This sound spectrum spans about ten octaves.

这个声谱约有十个八度的跨度。

It creates a research network that spans large geographies.

我们创造了可以跨越地理范围的研究网络。

Nations are not like humans, with predictable life spans.

人类有可预测的寿命，国家则不同。

The topology model spans several kinds of portal resources.

该拓扑模型包含多种门户资源。

The lust for gold spans all eras, races, and nationalities.

对黄金的贪求不分时代，种族和民族。

I know that it spans only twenty years, yet I am an old man.

我知道它之跨过二十年光景，但现在我已然是一个老人了。

A blanket of clouds—a little thin in places—spans the scene.

一片云海跨过这整张图像——有些地方有点薄。

The exhibition spans nearly half a century and ranges widely.

此次在大都会展览的作品时间直跨近半个世纪，范围也很广大。

The banyan spans Asia's spirituality and its entrepreneurialism.

榕树即代表了亚洲的精神又代表了其经济意识。

The banyan spans Asia’s spirituality and its entrepreneurialism.

榕树即代表了亚洲的精神又代表了其经济意识。

They don't have to be recent - recognition spans your whole life.

这些都不必是最近发生的，你整个一生中的都行。

The above false-colored image spans three full moons from top to bottom.

上图是伪彩色照片，从上到下跨度约相当于三个满月（一度半）。

Areas with the shortest expected life spans are largely in the South.

预期寿命最短的地区主要集中于南方。

We're buying more and more things with shorter and shorter life spans.

我们买了越来越多的东西，但它们的寿命却越来越短。

A file system that spans two volumes is allocated for transaction log data.

我们为事务日志数据分配了一个跨越两个卷的文件系统。

Their lifetime spans multiple calls and probably multiple protocols as well.

它们的生存期可以跨越多个调用以及多种协议。

How do these performers play such long spans of music without any notation?

这些演奏者是怎样演奏这么长的音乐的呢，在完全没有记谱的情况下？

Second, life just creeps along, with long spans where nothing much happens.

第二，生活就这样缓慢地前行，很长的间空中没什么事情发生。

How do you measure the status of your project when your team spans the globe?

当您的团队遍布全球，您如何度量项目的状态？