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

Each bottle contains a single blade of bison grass.

每个瓶子都装有一片野牛草.

While early settlers had killed bison for food.

早期的殖民者只是以杀野牛为食.

The European bison ( Bison bonasus ) having a smaller and higher head than the North American bison.

欧洲野牛一种比北美野牛的头小且高的欧洲野牛 ( 欧洲野牛野牛属 )

American bison are very large.

美洲野牛非常巨大.

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.

European bison having a smaller and higher head than the North American bison.

欧洲的野牛,其头比美洲野牛的小且高.

Bison waste no longer fell on the ground to improve to soil.

地上不再有野牛的粪便来改良土壤了.

They killed the bison , cut off the skins and left the bodies behind to rot.

他们把野牛杀死剥皮,尸体就任其腐烂.

An animal ( B. bonasus ) of Europe, similar to but somewhat smaller than bison; a wisent.

欧洲野牛欧洲一种动物 ( 欧洲野牛野牛属 ), 和野牛相似,但小于野牛; 珍野牛.

Hunting is permitted to keep the bison population down , and limit the bisons'movements.

允许猎杀是为了限制野牛的数量和活动区域.

They are also home to various wildlife, including bison, elk , coyotes, and prairie dogs.

它们也是各式野生动物的家乡, 包括北美野牛 、 美洲赤鹿 、 郊狼及草原土拨鼠.

In the year 1700, about 60 million bison wandered freely in North America.

在1700年约有6000万头野牛在北美无拘无束地活动.

Large herds of bison used to live on the plains of North America.

大群的野牛过去曾生活在北美大草原上.

a herd of bison

一群野牛

Objective : To prepare bisoprolol fumarate tablets and to assay the content uniformity and dissolution of tablets.

目的: 制备富马酸比索洛尔片,并测定其含量均匀度和溶出度.

To evaluate effects of selective Bisoprolol on baroreceptor in patients with heart failure secondarycardiomyopathy ( DCM ).

探讨比索洛尔治疗心力衰竭时对对压力感受器功能的影响.

A new type of modified epoxy resin was obtained by modifying bisphenol resin using organic silicon.

用氨基硅油和双酚A型环氧树脂为原料合成一种新型的环氧树脂.

Bisphenol A is also used to make materials found in dental composites and sealants.

双酚A也是制作牙具和密封剂的原料.

Major Composite of thc SeaIant is bisphenol A epoxy resin, dicyandiamide, ureido compound and modifier etc.

以双酚A环氧树脂 、 双氰胺 、 脉及改性材料为主要成分配制的胶粘剂可在中温迅速固化.

The structure and principle of a high efficiency evaporator thin filmof bisphenol-A type epoxy was recommended.

介绍了一种高效蒸发设备——刮板薄膜蒸发器的结构、原理以及在双酚A型环氧树脂生产中的应用情况.