sandstorm index

常見例句

It was proved that the established index model could be used to well-explain the distribution pattern of sandstorm frequency in the study region.
建立的氣候影響指數(shù)模型，能夠用來解釋當(dāng)前渾善達(dá)克沙地沙塵暴頻率的分布格局。
Air pollution in Beijing reached a high level of 99 on the Air Pollution Index on Friday as a sandstorm from the northwest shrouded the capital in dust, the China News Service reported.
據(jù)中國新聞社報(bào)道，北京市區(qū)13日遭遇了來自西北方的沙塵襲擊，當(dāng)天該市污染指數(shù)一度達(dá)到99。
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