查询词典 bison

Thus one simple fact,a change in the number of bison

因此，出现了这样一个简单的事实

It is thought that the bison population has fallen from 60 million to just a few hundred .

人们认为，在1850年到1910年之间，野牛的数量从6000万头降到只有几百头了。

Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.

人们认为，在1850年到1910年之间，野牛的数量从6000万头降到只有几百头了。

Bison's daughter was the conduit for his soul.

拜森的女儿就是他的弱点

Now bison herds have increased to the hundreds of thousands.

现在，野牛群又增加数以百计千计的数量。

We found potential evidence of a severe population bottleneck in the cave lion during the previous interstadial, sometime after 48 000 years, adding to evidence from bison, mammoths, horses and brown bears that megafaunal populations underwent major genetic alterations throughout the last interstadial, potentially presaging the processes involved in the subsequent end-Pleistocene mass extinctions.

这些生活在不列颠群岛以及欧洲和北美地区的狮子的生存环境与目前非洲的大型猫科动物完全不同：在更新世，英国是苔原冻土地带，就像现在的俄罗斯草原一样，很多大型动物聚集那里，如哺乳动物、羊毛犀牛、巨型鹿等。13000年前，这些狮子和大型食草动物在大灭绝中消失。

This cave painting, at Lascaux in France, shows a Stone Age hunter being attacked by a bison.

这幅在法乐场与难得的免费公园。将它们贯通的则是曲折的街巷，用铅笔在城市地图上标出，它们就构成一个字母，准确地说，应该是国拉斯考克斯发现的洞穴壁画，描绘出石器时代一位猎人被野牛攻击的场面。

The bison and boomerangs are a facsimile of a painting in Pindal Cave near Colombres, Province of Oviedo, Spain

野牛和弯镖是西班牙奥维多省哥伦布里斯附近品达洞穴里的彩画摹本。

The bison and boomerangs are a facsimileof a painting in Pindal Cave near Colombres, Province of Oviedo, Spain.

野牛和弯镖是西班牙奥维多省哥伦布里斯附近品达洞穴里的彩画摹本。

The earliest of the great cave painters, working at Chauvet in southern France, 32,000 years ago, was obsessed with rhinoceroses. A later artist, working at Lascaux 15,000 years later, depicted mostly bison, bulls and horses—rhinoceroses must have been driven close to extinction by then.

在32000年前法国南部沙夫特洞穴里，在属于最早期的著名洞穴画家的作品中反映出他们风靡犀牛。15000年之后，另一位艺术家在拉斯科岩洞里的壁画大都成了野牛，公牛和马匹—那时犀牛一定已经濒临灭绝了。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。