Additional breathing changes occur during REM sleep that are even more dramatic than the changes that occur during NREM.

在快速眼动睡眠期发生的额外的呼吸变化，甚至比那些在非快速眼动期发生的变化还要显著。

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Researchers have established that when people are mentally engaged, biochemical changes occur in the brain that allow it to act more effectively in cognitive areas such as attention and memory.

研究人员已经证实，当人们动脑筋时，大脑中会发生生化变化，使其在注意力和记忆等认知区域更有效地发挥作用。

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In Rails applications, schema changes occur through migrations.

在Rails应用程序中，模式的更改是通过迁移发生的。

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You have a diversity in the chemical changes that occur as a result of any of those connections.

又有多样化的化学变化,这是那些物理连接的产物

耶鲁公开课 - 生物医学工程探索课程节选

The biggest and most interesting changes occur in the last quarter of the list.

FORBES: Reader's Guide

When changes occur that impact goals, measures, and how you will get things done, communicate again.

FORBES: Is Everyone In Your Organization Running The Same Race?

Unless fundamental changes occur in the mentality of the wireless industry worldwide i-mode will remain an isolated incident.

ECONOMIST: Letters