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杂交元
释义
杂交元
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理学
有限元法
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hybrid element
杂交元
有限元法中应用于弹性力学或计算结构力学问题的一类单元。它的独立未知量不仅有节点位移,还有应力,有的还有应变,其理论基础是弹性力学广义变分原理。其中某些单元也称为混合元。
Mathematics
hybrid element
杂交元
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vegetation carpet
vegetation circle
vegetation classification
vegetation classification criteria
vegetation classification method
vegetation classification principles
vegetation classification system
vegetation coverage
vegetation cover and biological factor
vegetation ecological climatology
vegetation ecological series
vegetation ecology
vegetation evolution
Vegetation Formation
Vegetation Formation Group
vegetation geochemical survey
vegetation-habitat classification by Shenxiu Jia
vegetation index
vegetation investigation
vegetation map
Vegetation Map of the People's Republic of China(1︰1000000)
vegetation mattress
vegetation measures for soil and water conservation
Vegetation of China
vegetation pattern
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