An Australian professor is developing a robot to monitor the health of grazing cattle, a development that could bring big changes to a profession that's relied largely on a low-tech approach for decades but is facing a labor shortage.
澳大利亚一名教授正在开发一种机器人，用于监测放牧牛的健康状况，这一开发可能会给畜牧业带来重大变化。几十年来，畜牧业主要依靠低技术手段，但目前正面临劳动力短缺的问题。
Cattle sales are rising steeply, even though prices are pitifully low.
其一尽管价格非常之低，牛的出售量却在快速增加。
In South Carolina many cattle farmers are selling off their livestock because feed is running low or unavailable.
而在南卡罗来纳州，由于用尽了饲料或难以买到，许多当地的养牛农民卖掉了他们的家畜。
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。
There have been no vCJD cases linked to consumption of U.S. beef and the risk of BSE among U.S. cattle is low.
至此已经没有不同的Creutzfeldt-Jakob疾病个案与美国牛肉的消费有联系，以及在美国牛群中感染疯牛病的危险降低了。
They flew low enough across Iraq to scatter herds of cattle and sheep roaming the countryside.
他们在伊拉克上空飞的挺低，足以驱散那些正在乡村徜徉的牛群和羊群。
Embryo transfer is the best way for cattle improvement, for it has the following advantages: simple operations, low cost, short period of improvement and less disease dispersal.
而胚胎移植是引种的一种最好手段，具有方法简便、成本低、缩短改良时间、减少疾病传播等优点。
Very beautiful deep wine quality, low acidity, high tannins and soft, very suitable for cattle and sheep with a rowof barbecue and other food.
酒质十分优美浑厚，酸度低，单宁高而柔和，极适合搭配烧烤牛羊排等食物。
The results were as follows:(1)There were the low blood potassium phenotype(LK) in all Chaidamu yellow cattle examined and both LK and high blood potassium phenotype(HK) in east Qinghal yellow cattle;
结果发现：1柴达木黄牛全部为低血钾型，而青海东部黄牛有高血钾和低血钾两种表型；
The results were as follows:(1)There were the low blood potassium phenotype(LK) in all Chaidamu yellow cattle examined and both LK and high blood potassium phenotype(HK) in east Qinghal yellow cattle;
结果发现：1柴达木黄牛全部为低血钾型，而青海东部黄牛有高血钾和低血钾两种表型；
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