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ventiduct n.【建筑】(地下)通風管[道]。

ventifact

( 1 ) modeling of numerical analysis of frozen soil ventiduct roadbed by ann ( 2 ) developing the ann optimization design system for ventiduct roadbed in permafrost area ( 3 ) defining of the sequel learning tactic of three layer bp network ( 4 ) improvement on bp arithmetic in ann module ( 2 )開發了凍土通風管路基優化設計神經網絡分析軟件系統具有完整的前后處理、溫度場分析、設計方案優化等功能,能滿足工程應用的基本需要。還能夠作為數值分析子模塊,以標準com組件形式嵌入“青藏鐵路數字路基” gis系統。