During one dust storm, airborne aluminum concentrations exceeded 1,400 micrograms per cubic meter.
一场沙尘暴中，空气中的铝浓度会超过1400微克每立方米。
During one dust storm, airborne aluminum concentrations exceeded 1, 400 micrograms per cubic meter.
一场沙尘暴中，空气中的铝浓度会超过1400微克每立方米。
S. national air quality standards.During one dust storm, airborne aluminum concentrations exceeded 1,400 micrograms per cubic meter.
一场沙尘暴中，空气中的铝浓度会超过1400微克每立方米。
S. national air quality standards. During one dust storm, airborne aluminum concentrations exceeded 1,400 micrograms per cubic meter.
一场沙尘暴中，空气中的铝浓度会超过1400微克每立方米。
One factor could be deposits of dust and black carbon (collectively called aerosols) upon the snow, which, up to an accumulation of 400 grams per square meter sharply raises the rate of melting.
雪上尘埃和黑炭（统称为气溶胶）覆层可能是其中一个因素：当覆层的积累达到每平方米400克的时候，会急剧加快融化的速度；
Air particulates measure meter was a device to measure air quality. It was used to measure the contents of solid particulates and dust in air.
空气颗粒物检测仪是一种空气质量检测装置，它主要检测空气中的固体颗粒物或粉尘的含量。
Air particulates measure meter was a device to measure air quality. It was used to measure the contents of solid particulates and dust in air.
空气颗粒物检测仪是一种空气质量检测装置，它主要检测空气中的固体颗粒物或粉尘的含量。
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