In order to relieve the habitat pressure of coastal birds, it is necessary to build waterfowl ponds at the edge of the core zone.

为了减轻由于湿地开发带来的珍禽的生境压力，在核心区的边缘必须建立以招鸟为目的的水禽湖。

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So it becomes very important to, when you're designing or modelling a reactor, understand the nature of what's outside the core and whether or not fluxes will peak in that zone.

所以，它变得非常重要，当你在设计和给一个反应堆建立模型的时候，了解到在核心外边的实质，流量是否会在那个区域达到顶峰。

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The NASA images show the loss of approximately 3.3% of the 33, 410 core zone of the reserve lost to logging in just four years.

NASA（美国航天局）的图片显示，保护区的中心地带的mianji33，410平方英里，由于4年的连续砍伐，大概有3.3%的面积遭到了破坏。

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The Ekati Diamond Mine, located in the Northwest Territories of Canada, consists of the Core Zone, which includes the current operating mine and other permitted kimberlite pipes, as well as the Buffer Zone, an adjacent area hosting kimberlite pipes having both development and exploration potential.

FORBES: Harry Winston to Purchase Ekati Diamond Mine For $500 Million

Greece teetered on the brink of default and the contagion spread to Italy and eventually France part of the core of the euro zone.

WSJ: World's Woes Leave Lasting Scars

This, in turn, suggests the euro debt crisis has not only reached the core of the euro zone, but is reaching the core of the world's largest national economy, too.

WSJ: Central Banks' Action