第一: first; primary; foremost; fi ...正应力: direct stress差: send on an errand; dispatch第一正应力系数: first normal stress coefficient第一法向应力差: first normal-stre difference; first normal-stress difference正应力: direct stress; normal stresses; positive stress应力差: differential stress; stress contrast; stress deviation; stress difference; stress-difference line法向正应力: normal compressive stress附加正应力: additional normal stress角向正应力: angular dnormal stress; angular normal stress径向 正应力: radial normal stress临界正应力: critical normal stress平均正应力: the mean normal stress效正应力: effective normal stress有效正应力: effective normal stress振荡正应力: oscillatory normal stress轴向正应力: axial normal stress正应力；正向应力: normal stress第一正方柱: tetragonal base of the first order第一正方锥: tetragonal pyramid of the first order第一正规化: first normal form第一正化: first normal form第一正弦波: primary sinusoid法向应力差: normal stress difference剪应力差法: shear difference method
