功率谱密度特征曲线
power spectral density character curve
常平均曲率曲面
constant mean curvature surfaces
常曲率曲面
surface of constant curvature
弯矩曲率曲线
curve of moment-curvature
弯矩－曲率曲线
moment-curvature relationship curve
[测地]曲率中心
center of (geodesic) curvature
2+1维零曲率方程
2+1-dimensional zero curvature equation
Bakry-Emery曲率张量
Bakry-Emery curvature tensor