Kyung Lah explains why some of it is showing up.

记者昆杨将为您解释了为什么有些会出现。

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Research papers by Jae-in Yoo and Hyun-kyung Kim made important contributions to this article.

Jae - in Yoo和Hyun - kyung Kim的研究论文对本文有重要贡献。

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Professor Kwak Dae-kyung of Seoul's Dongguk University told the Yonhap news agency that the couple appeared to have lost track of reality.

首尔东国大学的郭达坤(Kwak Dae - kyung)教授告诉韩联社，这对夫妻似乎已经游离于现实生活之外了。

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Nam Ho-kyung, president of the country's biggest domestic cattle association, says the event rallies pride in his industry.

VOA: standard.2010.03.22

Kyung Lah, Diahann Reyes, Phil Gast and Lateef Mungin also contributed to this report.

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The quantum dots came from Kyung Sang Cho, a researcher at the University of New Orleans.

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CNN's Kyung Lah and Michael Cary, both in Arizona, and Bill Mears contributed to this report.

CNN: STORY HIGHLIGHTS