Jahnke and nine other astronomers examined each galaxy by eye, a low-tech but reliable method of picking out galaxy shapes.

Jahnke和其他九位天文学家用肉眼检查了每个星系，这是低端却可靠的挑出星系形状的方法。

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Earlier studies looked only at galaxies with the brightest active nuclei, which could have biased their results, Jahnke said.

先前的研究只关注存在有明显活动星核的星系，这很可能导致结果产生偏差，Jahnke说。

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"It is a great organization, full of people who are seriously trying to improve their speaking skills in a friendly, collegial atmosphere, " Jahnke says.

“国际演讲会是一个非常不错的组织，会员都在竭尽全力提高自己的讲话技巧。 演讲会内部总是呈现出一派友好的学院式氛围，” 杨克说。

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Her husband, William Jahnke, said the cause was ovarian cancer, the New York Times reports.

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Christine Jahnke, president of consultancy Positive Communications and author of The Well-Spoken Woman, says bold colors may help women stand out from a crowd.

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People notice everything from your choice of clothing colors and how a jacket fits, to your hairstyle and the length of your fingernails, Jahnke says.

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