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CBN刀精车时切削用量优化属双目标离散变量约束优化问题.本文对其参数进行了分析,并建立了数学模型,然后用图解法求解,该法直观、简便,有一定实用性. 相似文献
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Spatial heterogeneity in drinking water sources in the Greater Accra Metropolitan Area (GAMA), Ghana
Tetteh Jacob Doku Templeton Michael R. Cavanaugh Alicia Bixby Honor Owusu George Yidana Sandow Mark Moulds Simon Robinson Brian Baumgartner Jill Annim Samuel Kobina Quartey Rosalind Mintah Samilia E. Bawah Ayaga Agula Arku Raphael E. Ezzati Majid Agyei-Mensah Samuel 《Population and environment》2022,44(1-2):46-76
Population and Environment - Universal access to safe drinking water is essential to population health and well-being, as recognized in the Sustainable Development Goals (SDG). To develop targeted... 相似文献
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