It is quite possible that these fluctuations, the huge increase and decrease of sulfur dioxide, happening again and again.

很有可能这些波动，二氧化硫的大量增加和减少，一次又一次地发生。

youdao

Specialisation and the effort to increase yields have resulted in the decrease of biodiversity.

专业化和提高产量的努力导致了生物多样性的减少。

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Second, once sleep is fully obtained, there is an increase of carbon dioxide and a decrease of oxygen in the blood that persists during NREM.

第二，一旦完全进入睡眠状态，非快速眼动期间血液中的二氧化碳增加，氧气减少。

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The study identified factors that seem to increase or decrease the risk that a child will be a bully.

VOA: special.2010.05.06

So would you expect, therefore, as we go across a row for the atomic radius, to increase or to decrease? Good. OK, yes.

那么大家觉得，原子半径沿着某一行向右走，是会增大还是会减小呢？很好，不错，是的。

麻省理工公开课 - 化学原理课程节选

Would it increase or decrease z effective?

它将变大还是变小呢？

麻省理工公开课 - 化学原理课程节选

Our rule of thumb is that every one percentage increase or decrease in nominal GDP translates into one-to-one-and-a-half percentage point increase or decrease in tech spending by the private sector.

FORBES: The Impact Of The Sequester On US Tech Market Growth

One of my favorite features is the ability to increase or decrease the font size.

FORBES: Print And eBook: Two Formats, One Book Lover

Users can actually name their own price, which can increase or decrease how fast you get the title.

FORBES: Plurent: A New Player in the Game of Game Rental