That's what a keystone species does in an ecosystem.
那就是拱顶石物种在生态系统中的作用。
The government's determination to beat inflation has so far been the keystone of its economic policy.
政府对通货膨胀的坚决抑制迄今为止一直是其经济政策的根本。
It might seem that certain traits would clearly define a species as a keystone species.
似乎某些特征会清楚地将一个物种定义为关键物种。
In architecture, a keystone in an archway or doorway is the stone that holds the whole thing together, and keeps it from collapsing.
建筑学中，拱道或门口的拱心石，是把建筑整体连接在一起来防止它倒塌的石头。
Because complex species interactions may be involved, identifying a keystone species by removing the species and observing changes in the ecosystem is problematic.
由于其中可能涉及复杂的物种相互作用，通过移除一个关键物种并观察生态系统的变化来确定该物种是有问题的。
Following are two of the major qualities that make up emotional intelligence, and how they can be developed: The ability to recognize a feeling as it happens is the keystone of emotional intelligence.
以下是构成情商的两个主要品质，以及如何培养这些品质：在情感发生时辨别情感的能力是情商的基石。
Taking the keystone for himself.
把楔石据为已有。
The keystone of success is hard work.
成功的基石在于努力工作。
This was the keystone of this research.
这是本文研究的重点。
The keystone. It will lead us to our final goal.
拱顶石！它将引导我们走向我们最终的目标。
The second part is the keystone of this article.
这是论文的重点论述部分。
Chapter three and four are the keystone of this paper.
第三章和第四章是本文的重点章节。
But if there's been one constant, the keystone holding up the bridge, it's Vidic.
但有一个人一如既往地稳定，成为支撑桥梁的拱心石——他就是维迪奇。
Keystone pipeline should be rejected because it is a signal to reduce fossil fuels.
译文重点输油管道项目应该被否决，因为这是减少化石燃料的信号。
This is an extremely important habit that may become the keystone to this entire plan.
这点非常的重要，可以说是整个计划的关键所在。
Usually the Shinto god of the earth keeps the brute's head pinned down with a granite keystone.
地祗大明神通常能将狂兽的头压制在一块花岗岩要石下。
The proposed Keystone XL pipeline would carry heavier crude oil produced from tar sands in Canada.
计划中的大号拱心石石油管道将用于运输产自加拿大油沙的重原油。
Today mathematics is the keystone of high technology, and, in a sense, the symbol of modern civilization.
而今天，数学则是高技术的基础，并且在一定意义上可以说是现代文明的标志。
I put this first because I think it's the keystone habit that will help you form the other important habits.
我把这个习惯放在第一位，因为我认为这个习惯可以帮助大家培训其他的重要习惯。
An order to begin construction of the Keystone and Dakota Access pipelines, following a renegotiation of terms.
签署命令重启基石与达科塔输油管道项目条款的谈判，之后就开始建设。
This week's poll concerns the proposed Keystone XL oil pipeline that would stretch from Alberta, Canada to Texas.
本周的民意调查是关注KeystoneXL输油管道项目，该项目提议把输油管道从加拿大的亚伯达省(alberta)延伸至德克萨斯州。
He came to regret moving with his wife Elizabeth to New York in 1936, tempted by a job offer at the Keystone Agency.
在凯斯通公司提供职位的诱使下，他和妻子伊丽莎白于1936年移居纽约，这使他日后十分后悔。
Therefore, XForms can become the keystone of a highly productive declarative and XML-centric development environment.
因此，XForms可能成为高生产率的声明性的、以XML 为中心的开发环境的基础。
The "Keystone State" ranks 48th in CO2 emissions from fossil fuel combustion, 49th for particulates in the air, and 49th for toxic exposure.
拱心石之州在化石燃料燃烧产生CO2上排名48，可吸入颗粒排名49，毒素暴露位居49。
They had reached Philadelphia when a telegram arrived and he was being offered the chance to replace a star in the Keystone film company.
当他们抵达费城时，一纸电文接踵而至，把替换基石电影公司的一位明星的机遇赐于了他。
Meanwhile in Calgary, oilmen expect a pipeline to the Pacific, and in effect to Asia, to come sooner than later, especially if Keystone XL is blocked.
与此同时，卡尔加里的石油商们正心急如焚地等待着修建一条通往太平洋，实际上就是通往亚洲的输油管线尽快开工，而且越快越好。如果“大号拱心石”管线工程受阻就更是如此了。
Meanwhile in Calgary, oilmen expect a pipeline to the Pacific, and in effect to Asia, to come sooner than later, especially if Keystone XL is blocked.
与此同时，卡尔加里的石油商们正心急如焚地等待着修建一条通往太平洋，实际上就是通往亚洲的输油管线尽快开工，而且越快越好。如果“大号拱心石”管线工程受阻就更是如此了。
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