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。
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。
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。
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。
The keystone of success is hard work.
成功的基石在于努力工作。
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。
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。
We hope to see you become a keystone of the intellectual community.
我们希望看到你们成为知识界的一块拱顶石。
We're excited that design has become the keystone of doing business.
我们很高兴地看到，设计已经成为商业活动的核心基石。
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。
Lamplight, as the extension of daylight at night, is another keystone of design.
灯光作为白天光线的晚间延伸，是设计的另一个重点。
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。
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。
"Know thyself" speaks to this keystone of emotional intelligence: awareness of one's own feelings as they occur.
“了解自己”说的是情商的基石：当自己有情绪时能够察觉到。
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 work of buildings energy efficiency has come into the second stage, and hot summer and cold winter region becomes the keystone.
我国的建筑节能工作已经进入第二阶段，夏热冬冷地区成为节能工作的重点。
It is universally agreed that language is a part of culture and plays a very important role in it. Language is the keystone of culture.
几乎所有讨论语言与文化关系的学者都承认语言是文化的不可分割的一部分，并对文化起着重要的作用。
With the enlargement of postgraduate admission scale, postgraduate education has become the keystone of talent cultivation in our country.
随着研究生招生规模的不断扩大，研究生教育成为我国人才培养的重点。
And we need them — they are keystone species for everything from building coral reefs to anchoring the ocean food chain to making a killer linguine and clam sauce.
而且我们也需要它们——它们是从建造珊瑚礁，到稳固海洋食物链，再到美味的蛤蜊酱意面的关键物种。
Pennsylvania's nickname is the keystone State. Just as a keystone holds together a stone arch, Pennsylvania was seen as holding together the young American republic.
宾夕法尼亚州的别名是“拱心石之州”。就如拱心石支撑起石拱一样，人们认为宾夕法尼亚支撑起了年轻的美利坚共和国。
Vogels (2003) claimed that the "XML document is the Web service's keystone because it contains all the application-specific information that a service consumer sends to the service for processing."
Vogels(2003)声称XML文档是Web服务的基础，因为它包含服务客户发送给服务处理的所有特定于应用程序的信息。
这！是！重点！
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。
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。
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