In the case of Lymnaea peregra, studies indicate that a dextral gene is expressed during egg formation.

在锥实螺的例子中，研究表明右旋基因是在卵的形成期表达的。

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In fact, studies indicate that four billion years ago, carbon dioxide levels in the atmosphere were much higher than today's levels.

事实上，研究表明40亿年前大气中的二氧化碳含量远远高于今天的水平。

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However, my studies indicate that they took fewer fish because there were fewer fish to catch, not because they were trying to preserve fishes.

然而，我的研究表明，他们捕捞的鱼少是因为鱼的数量少，而不是因为他们在试图保护鱼。

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Administrator Bolden says other studies indicate the United States is not preparing enough students and teachers to meet the demand in science,technology,engineering, and mathematics.

VOA: standard.2010.05.10

Studies indicate up to in Britain are diagnosed incorrectly or have ailments that are overlooked.

VOA: standard.2009.09.24

Recent studies indicate the flow of illegal immigrants coming from Mexico to the U.S.

VOA: standard.2010.04.12

Studies indicate that even brief interruptions exponentially increase our chances of making mistakes.

CNN: A New Year's resolution for the workplace

Many studies indicate that the most skilled workers prefer to work for ethical companies.

FORBES: Magazine Article

Studies indicate that, especially for seniors, having friends can improve both physical and mental health.

FORBES: Aging Outside the Nuclear Family