词汇	柔弦
释义	柔弦 flexible chord
随便看	sub-grade widening subgrade widening scheme subgrade work subgrade workspace subgradient subgradient algorithm subgradient method Subgradient of convex function Subgradient optimization sub-gradient optimization subgradients subgradient wind subgrain sub grain sub-grain subgrain boundary Sub-grain boundary subgrain formation subgrain nucleation sub-grain rotated-induced subgrain rotation subgrains subgrain size subgrain structure subgram