Mathematical model is calculated with linear approximation method, general compound shape method and blend genetic anneal method.
采用线性逼近法、一般复合形法、混合遗传退火算法等方法对所建数学模型进行了求解。
参考来源 - 川渝天然气管网优化运行技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The coal seam tunnel of compound mudstone roof of large span is the tunnel that is violent out of shape, roof is easy falling and safeguard is very difficult.
大跨度复合泥岩顶板煤层巷道是围岩变形剧烈且顶板易冒落、极难维护的巷道。
As the shape technology of triangle chassis canister is analyzed, then the processes of bending, stretching and bulging compound mould are adopted to reunite the shape.
对三角形底盘筒形件的成形工艺进行了分析，决定采用弯曲、拉深、胀形复合模等进行复合成形。
Conclusion corneal astigmatism was the main cause of differences of compound myopic astigmatism and simple myopic in corneal surface shape.
结论角膜散光是复性近视散光与单纯近视之间角膜形态差异的主要原因。
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