The center will focus on four priority activities starting with the letter E: ecology, ergonomics, efficiency and economy.

中心的四个首要活动将围绕4E展开：生态学、工效学、效率和节约。

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This paper applies the principles of landscape ecology of scope of the study in Center City, landscape-scale, landscape elements and some issues.

本文首先利用景观生态学原理对丹凤县中心城区的研究范围、景观尺度、景观要素等一些问题进行了确定。

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This is the website of The Center for Microbial Ecology.

这是微生物生态学中心的网站。

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That hurts a company like Toys 'R' Us, one of the featured retailers in the Ecology Center's toy-testing laboratory.

FORBES: Toy Scare Could Help Wal-Mart

On Wednesday, the Michigan-based Ecology Center put out a report saying that 35% of 1, 268 toys tested showed traces of lead paint.

FORBES: Toy Scare Could Help Wal-Mart

Dr. VIRGINIA BURKETT (Chief, Forest Ecology Branch, National Wetlands Research Center, U.S. Geological Survey): For example, where we have artificial fill, the subsidence rates are much more rapid than they are on the natural levee deposits.

NPR: Satellite Imagery Shows a Sinking New Orleans