For Australia, a pair of low pressure systems will affect the country.

对于澳大利亚，一双低压系统将会影响到这个国家。

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Low pressure systems pickup their local weather and move it in weather fronts.

低气压流会把本地的气候沿着锋面传播。

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So, too, will the chance of vicious incoming low pressure systems that can bring with them intense, gale force storms.

因此，将也有可能出现低压系统所带来剧烈的、强风暴风雨。

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

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The tribe has money for more housing, but can't build because the water pressure is too low and its treatment systems too outdated to handle increased demand.

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Meteorologists were blaming the nor'easter on the collision of two storm systems: cold air traveling south from Canada bumping into a moist low pressure system heading north from the Carolinas.

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