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。

youdao

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。

youdao

But the forecast effects are not quite the same for the different levels and months and the fore-casts for low pressure systems are not very satisfactory.

但对不同层次、不同月份的预报效果不够稳定，而且对低值系统预报能力较差。

youdao

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

BBC: Scotland's summer of two halves

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tribe has money for more housing, but can't build because the water pressure is too low and its treatment systems too outdated to handle increased demand.

CNN: King: Life is bare bones on the Lakota reservation

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.

WSJ: Major Blizzard Bears Down on Northeast