The bureau of meteorology said it was the worst dust storm since the 1940s, with particle pollution up to 10 times worse than the previous record.
气象局说，这是自20世纪40年代以来最严重的沙尘暴，粉尘污染达到以往记录的10倍。
2
The applicability of international standard ISO9223, which illustrated the classification of corrosivity by means of meteorology and pollution data, was discussed.
讨论了用气象及污染特征划分大气腐蚀性等级的ISO9223国际标准。
3
The contribution of acid precipitation regional sources and transfering is determined mainly by air pollution condition and meteorology of that area.