A mathematical programming model for arms optimal apportionment is established according to the detailed analysis of regional air defense disposition.
对区域防空战斗部署进行了详细分析，建立了兵力优化分配的数学规划模型。
The development on the receptor modeling used to perform source apportionment of atmospheric particulates in ambient air was introduced.
介绍了国内外用于大气颗粒物源解析研究的受体模型的进展情况。
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