That's because under high-pressure systems, cold air slides down mountain slopes and pools down below.

那是因为在高压系统下，冷空气沿山坡下降，并于地势低处聚集。

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Once humans attributed the weather or earthquakes todivine intervention; then they discovered high-pressure systems and platetectonics.

比如过去人们把气候和地震归结为神的介入；后来，人们知道这是因为气压系统和地壳板块的运动。 换句话说，人们依赖于神来解释的未知领域变得越来越少

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Proportional electromagnetic valve is an important element in hydraulic pressure systems.

比例电磁阀是液压系统中的一个重要控制元件。

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s up to the Fannie Mae or Freddie Mac to collect mortgages over the next thirty years So let me make sure I have the sequence right Housing prices extremely high among other entities congress place pressure on the banking systems they were ordinary banking systems to make loans more and more affordable.

结果是房地美和房利美，And，it’,在过去三十年收集全国贷款,让我整理一下顺序,房价很高,及其他政府机构,给银行压力,即普通银行,放贷给民间,让更多人买得起。

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The highest summer temperatures often associate with stagnant high-pressure systems in which there is very little wind.

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It's these low-pressure systems that bring the unsettled weather.

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Rapid population growth has put enormous pressure on agricultural systems that have been pushed towards unsustainable farming practices in order to cope with demand.

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