That's because very large animals have a slow rate of reproduction, so all you have to do is remove a few young females from the herd, and you can, fairly quickly, significantly reduce the population.
那是因为大型生物的繁殖速度十分缓慢，所以只要除去象群中的几头年轻的母象，它们的数量就会大幅的下降。
It also requires taking a separate stance from the herd.
它也需要一个不盲从的立场。
The most reliable sign of approaching parturition was restlessness and solitude by leaving far from the herd.
最可靠的分娩予兆是不安及企图离群。
The challenge for all of us, of course, is paying enough attention to know when it makes sense to break away from the herd.
当然，对于我们最大的挑战就是要时刻保持清醒的头脑，懂得何时要与随大流的人群分道扬镳。
It is what is commonly called vocation: an irrational factor that destines a person to emancipate himself from the herd and from its well-worn paths.
它就是我们通常所称的天命：一种非理性因素，它注定一个人要从民众、从民众的熟悉之路中解脱出来。
Under national organic regulations, that is permitted as long as the treated animal is separated from the herd — a fact the young agrarian did not know.
在国家关于有机物的法规中，那是允许的，只是在对待动物与牛群分开这一事实上就混乱了。
When anyone brings from the herd or flock a fellowship offering to the Lord to fulfill a special vow or as a freewill offering, it must be without defect or blemish to be acceptable.
凡从牛群或是羊群中，将平安祭献给耶和华，为要还特许的愿，或是作甘心献的，所献的必纯全无残疾的，才蒙悦纳。
Professor Lee said that elephants with these traits tended to be the most socially integrated in the group while those who tended to be less reliable and pushy were more likely to split from the herd.
李教授说，拥有这些性格的大象通常都是最能融入群体的，而那些没那么可靠、一意孤行的大象则最可能脱离象群。
Instead of following the cattle on their annual migrations, the hunters began to prevent the herd from moving from one spot to another.
猎人们不再跟随牛群进行一年一度的迁徙，而是开始阻止牛群从一个地方迁移到另一个地方。
Dr. Russel is creating an elite herd by cross-breeding goats from around the globe.
罗素博士正在通过使来自世界各地的山羊杂交而创造一种精品羊群。
Through satellite tracking of both the herd and the lions in the area, they will be able to determine if their psychological trickery will work to help keep farmers from shooting lions.
通过卫星对这一地区的牛群和狮子进行追踪，研究人员将能够确定这种心理学上的欺骗手段是否有助于阻止农民射杀狮子。
We emerged from the shade of the lake fringe and crossed some low, gray sand dunes. Soon an Afar boy and girl came with their herd of goats to investigate.
当我们从湖边的阴影处现身出来，穿越了一片低矮的灰色沙丘以后，首先迎接我们是一位阿法尔男孩和一位阿法尔女孩以及他们放牧的一群山羊。
One evening a herd of bulls gathered across the water from me, rising above their reflections under an October moon, in a primeval scene of ancient Africa...
有一天晚上，一群公牛聚集在我所在的池塘对面，在十月的月光下，在一片宁静原始的非洲草原……
Later that same night, the Lord told me to take a bull from my father’s herd, the one that is seven years in age.
当天晚上，神告诉我从我父亲的牛群中牵出一头七岁的公牛。 并拆毁我父亲为巴力所筑的坛，砍下坛旁的木偶。
Sacrifice as the Passover to the LORD your God an animal from your flock or herd at the place the LORD will choose as a dwelling for his Name.
你当在耶和华所选择要立为他名的居所，从牛群羊群中，将逾越节的祭牲献给耶和华你的神。
Gavin, from the Blue Mountains, near Sydney, Australia, added: 'the herd of goats were being looked after by a young teenage shepherd, who you can just make out behind the tree.
加文来自澳大利亚悉尼附近的蓝山。他接着说：“这一群羊由一个十几岁的放羊人看护着，你可以看到他就在树后面。”
Many of the childhood vaccinations rely on "herd-immunity" - a certain percentage of the population having the vaccine in order to protect those that do not, or cannot have it, from infection.
许多儿童疫苗依赖于“群体免疫”——一定比例的人口接种某些疫苗是为了预防那些没有接种或不能接种的人受到感染。
Based on discussions I've listened to from atheists, the most common thing that I hear is essentially a type of "herd" mentality or something about it being based upon a sort of "communal" benefit.
根据我听取的无神论者的讨论，最常听到的基本上是一种公共心态或是建立在一种公共利益基础上的事情。
And then there's the remaining 20% of the time, when investors aren't rational and the herd rushes about from one extreme to the other.
还有20%的剩余时间，此时投资者不再理智，羊群从一个极端走向另一个极端。
It is hard when peers dismiss and laugh at you and what you're doing, but believe in yourself and draw strength from the fact that you're not just a sheep following the herd.
当你的同辈忽视甚至嘲笑你的作为时确实很难受，但是一定要相信自己并且知道你不是一只随大众的绵羊。
But it will likely be a while before herd sizes increase from their lowest point since the 1950s.
但是养牛量要从20世纪50年代的最低点开始上涨，可能还要有一段时间。
The FSA said it had traced a single animal, Dundee Paradise, believed to be part of a dairy herd, but could not confirm that milk from the animal had entered the food chain.
食品标准局称，他们曾对一只被称为DundeeParadise的奶牛进行的追踪性的调查，这只奶牛被认为是一个奶牛群的成员，但是却不能得出确切证据证明这一奶牛产出的奶品进入了食品销售市场。
In the Sahara desert I saw a herd of oxen fly into a portal and disappear from our world forever.
在撒哈拉沙漠，我看到一群公牛飞进一个入口然后永远从我们的世界消失。
When analyzing multiple tissues from a suspect herd, the CFIA will stop the analysis once a violation is demonstrated.
分析一个怀疑有残留的畜群的多个组织时，一旦显示出现违规情况，加拿大食品检验署将停止分析。
Under the banner of education, we herd our children from ballet to basketball and back again.
我们打着教育的旗号，驱赶孩子在芭蕾舞和篮球之间来回奔波。
The study also provided evidence of the so-called "herd immunity effect" in which unvaccinated older people benefit from the vaccination of children and infants.
该研究还提供了所谓“人群免疫效应”的证据，即接种了疫苗的婴幼儿使未接种过该疫苗的大龄人群受益。
The study also provided evidence of the so-called "herd immunity effect" in which unvaccinated older people benefit from the vaccination of children and infants.
该研究还提供了所谓“人群免疫效应”的证据，即接种了疫苗的婴幼儿使未接种过该疫苗的大龄人群受益。
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