Researchers are currently testing their idea on a select herd of cattle.
研究人员目前正在一群选定的牛身上验证这一想法。
The handles were carved out of cattle bones and the bristles were made from wild boar or horsehair.
把手由牛骨刻成，刷子毛由野猪或马毛制成。
At older lake sites, there's fossil remains from hippopotamuses, water buffalo, animals that spend much of their lives standing in water, and also, fossils of cattle.
在较老的湖泊遗址，有河马、水牛的化石遗迹，这些动物一生中大部分时间都站在水里，还有牛的化石。
She formed mental pictures of her designs in every possible situation, with different sizes and breeds of cattle and in different weather conditions.
在每一种可能的情况下，在不同的天气条件下，针对不同大小、不同品种的牛，她都会在脑海中形成自己设计的画面。
Machines have largely taken over planting, watering and harvesting crops such as corn and wheat, but the monitoring of cattle has gone through fewer changes.
机器在很大程度上接管了玉米和小麦等作物的种植、浇灌和收割工作，但对牛的监测变化较少。
They paid attention to the environmental adaptation of cattle raisers.
他们把注意力放在养牛者对环境的适应上。
Herds of cattle roamed at will over the plain.
牛群在平原上自由自在地走动。
Have you reckoned the number of cattle you have?
你算出你的牛的数量了吗？
At present, there are still places in the world where farmers make use of cattle labor.
目前，世界上仍有些地方的农民在利用牛作劳力。
Ninety percent of the U.S. milk supply, for example, comes from the Holstein breed of cattle.
比如说，美国百分之九十的牛奶来自于霍斯坦牛种。
Cloning of cattle was poor until recently, but now stands at about 30 percent, "said Iritani."
一直以来，克隆牛的成功率都很低，不过现在已经达到百分之三十左右。
The handles were carved out of cattle bones and the bristles were made from wild boar or horse hair.
牙刷柄刻有牛骨，牙刷毛由野猪毛或马毛制成。
The number of cattle, pigs and sheep has reached a record high, with dairy cows up 15.7% from last year.
大牲畜、生猪、羊的饲养创历史新高，其中奶牛饲养比去年增长15.7%。
"The success rate in the cloning of cattle was poor until recently, but now stands at about 30 percent," said Iritani.
一直以来，克隆牛的成功率都很低，不过现在已经达到百分之三十左右。
Having reached some open Spaces of grassy pasture land, the presence of cattle indicated their proximity to the village.
我们来到芳草茵茵的开阔牧场，眼前的牛群说明此处离村庄很近。
And King Solomon offered a sacrifice of twenty-two thousand head of cattle and a hundred and twenty thousand sheep and goats.
所罗门王用牛二万二千，羊十二万献祭。
An example, surprisingly, is Brazil, which has just one head of cattle per hectare-an unusually low number even for a country with so much land.
例如巴西，令人惊奇的是平均每公顷仅有1头牛，即使对于一个如此多土地的国家，这也是一个非常低的数字。
The infertility of cattle-yak, which is the hybrid offspring of cattle and yak, is a difficult problem in cross-breeding and improvement of yak.
黄牛和牦牛远缘杂交后代犏牛雄性不育是牦牛杂交改良中的一大难题。
Now that they could ride horses, it became easier to hunt the bison, a type of cattle which used to exist in huge numbers on the plains of America.
既然土著人会骑马了，猎取野牛也就容易了。这种野牛以前是成群结队地生活在美洲平原上的。
Altogether, between 1866 and 1888, some six million head of cattle were driven up from Texas to winter on the high plains of Colorado, Wyoming, and Montana.
在1866年至1888年间，大约有六百万头牛从得州放牧到科罗拉多、怀俄明、蒙大拿等地的高原上过冬。
Brazilian cattle-ranching, which occupies 209m hectares, is staggeringly unproductive, with an average stocking rate of less than a head of cattle per hectare.
巴西养牛业占据了2.09亿公顷的土地，却相当低效，平均每公顷上放养还不到一头。
Having children affirms her blessed relation to Engai [God], strengthens the relationship with the children's father and can secure inheritance of cattle via her sons.
生儿育女可以肯定她受神engai的祝福，并可以加强她与孩子父亲的关系，保证能够通过她的儿子继承遗产，即牛。
Having children affirms her blessed relation to Engai [God], strengthens the relationship with the children's father and can secure inheritance of cattle via her sons.
生儿育女可以肯定她受神engai的祝福，并可以加强她与孩子父亲的关系，保证能够通过她的儿子继承遗产，即牛。
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