Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.
数学模型也揭示了食物网可能是不稳定的，顶级肉食性动物的微小改变会对整个生态系统产生巨大影响。
At a big meeting of top British businesspeople, he stood up and explained the secret of his success.
在一次英国商界高层人士的大型会议上，他站了起来，解释了他成功的秘诀。
When you look at the list each morning, a big fat cloud of doom is right at the top.
当你每天早上看这份清单的时候，一大片厄运就笼罩在上面。
Mr Duncan is, in fact, making early education one of his priorities, by including it in the next round of funding for Race to the Top, the big federal programme for schools.
事实上，邓肯先生把学前教育作为他的首要工作之一，包括把它加入到下一轮的给“力争上游”拨款的范围中。“力争上游”是针对学校的联邦大项目。
These emerging consumers have a big appetite for the top luxury brands-and the owners of those brands are increasingly keen to oblige.
同时，这些新兴消费者十分喜好顶级奢侈品牌产品，而这些品牌的老板也日益急切的投其所好。
And, yes, there is that big of a gap between top 5 and top 25.
确实，在前5和前25之间有着一条很大的鸿沟。
America won't contribute anything more to the IMF, but big emerging markets seem willing to top up the fund's resources, provided the Europeans do so too.
虽然美国不会再捐款给IMF，但是大的新兴市场似乎愿意为充实基金出一把力，前提是欧洲各国也要这么做。
If your foot points down, you need to measure the distance between the top of your big toe and an imaginary line from the bottom of your heel.
如果你的脚底朝下，那么你需要测量你的脚后跟到你大脚趾所在垂线的最短距离。
A big reason for the huge gains at the top is the outsize pay of executives, bankers and traders.
上层之所以财富高堆，一个重要的原因就是管理层、银行家及交易商“名过其实”的薪水收入。
There should be a thumb’s width between the tip of your big toe and the top of the shoe.
在你的大母脚趾尖与鞋头间应当有一拇指宽的空隙。
There should be a thumb's width between the tip of your big toe and the top of the shoe.
在你的大母脚趾尖与鞋头间应当有一拇指宽的空隙。
Another big story this week: top American officials publicly linked Pakistan's main intelligence agency to attacks against American targets.
本周的另外一条重要新闻：美国高级官员公开将巴基斯坦主要的情报机构与美国遭遇的袭击联系起来。
He puts a big snowball on top.
他把一个大雪球放到了最上面来充当头部。
The other collaborative piece is the big search bar at the top: “What are you searching for?”
另外一个互动的部分是顶部一个大的搜索框，“你在寻找什么”？
About 53 of the top 100 big funds in Yahoo hold shares in both companies, according to the most recent shareholder data available from September.
根据去年9月以来的最新股东数据，持有雅虎股票的100家大型基金公司当中，有53家同时持有微软和雅虎的股票。
In big letters across the top, the signs said, Drag yourself out of the dorm!
牌子的上面一排用大写字母写着：把自己从宿舍里拉出来！
Some see it governance as "command and control" over it initiatives; others consider it a corporate mechanism that implements a big brother approach to apply top-down constraints.
一些人将IT治理看成对IT计划的“命令和控制”，其他人认为它是实现了应用自顶向下的约束条件的老大哥方法的公司机制。
If you love bacon you can crumble two pieces on top of a big salad instead of eating it with eggs and ham.
假如你喜欢吃培根的话，你可以将两片培根磨碎撒在色拉上吃，而不是搭配着鸡蛋与火腿吃。
Trick yourself by putting a big task you've been dreading at the top of your list.
把一个你迟迟不敢下手的大任务放在任务清单的最前面用来忽悠你自己。
One early 20th-century big-top act featured 75 polar bears at once.
20世纪早期的一次大戏以一次展出75头北极熊而著称。
But like their brethren in the pig, poultry and cattle industries, dairy farmers say they are beholden to a few big processors-dean Foods top among them.
奶农认为，像生猪、家禽和肉牛业的同行一样，他们仍受制于少数大加工商——迪恩食品就是其中的佼佼者。
Everyone assumes that "top resources" are assigned to the big, enterprise, full-featured release projects.
大家都认为“一流的资源”应该被分配给大型的、企业级的、全特性的发布项目。
Big rocks on top of other big rocks, to be precise.
确切地说，就是把大石头放到其它大石头上。
Technology is big, with the top spot held by a tech giant.
科技是老大，一家科技巨头公司坐了头把交椅。
The top provides extra work space when you're preparing that big Thanksgiving dinner.
在你准备感恩节大餐时，它上面的搁板可以提供额外的操作空间。
Many top players from around the world earn big money playing in America's NBA.
很多顶尖的运动员通过在美国NBA中打球挣大钱。
Generally, our customers avoid the big ticket, top-down SOA initiatives.
一般来说，我们的客户避免自顶向下从头开始构建的SOA大项目。
If you pull a big comforter or duvet over the top when you make the bed, you really can't tell.
如果你铺床的时候要把棉被或者羽绒被头角铺反了，那就悄悄的啥也别说。
If you pull a big comforter or duvet over the top when you make the bed, you really can't tell.
如果你铺床的时候要把棉被或者羽绒被头角铺反了，那就悄悄的啥也别说。
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