词汇	正向极限
释义	正向极限 direct limit
随便看	positive space positive-space positive speed gearbox positive spherical aberration positive spike positive spike pattern positive spillover positive spin positive spinel positive spinel type positive spinning positive spirit positive spit positive spot test bitumen positive spread positive stability contribution positive stability criteria positive stable matrice positive stage positive stagger positive staining positive staircase positive staircase phenomenon positive standard positive standard polarity