“sigma-compact set”的概念、定义、翻译、参考文献-科学参考

单词	sigma-compact set
释义	sigma-compact set Mathematics sigma-compact setσ紧集
随便看	contour line, level curve contour lines of groundwater level contour map contour map of roof/footwall contour mapping contour method contour of steepest descent contourogram contour (perimeter) hole contour planting contour plot contour plot of atomic orbital contour ploughing contour prediction contour prism contour strip intercropping contour surface contour tillage contour tone contour winding number CONTOUR彗核探测器 contra- contraception contraceptive contraceptive appliance

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