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量的名称量符号定义单位单位符号压力 ,压强 pressure p 力除以面积帕 (斯卡 ) Pascal Pa正应力 norm al stressσ切应力 shear stressτ线应变 (相对变形 )linear strain(relative elongation)ε,eε=Δ l/l0式中 l0 是指定参考状态下的长度 ;Δl是长度增量一one1切应变 shear
Quantity Name Quantity Symbol Definition Unit Unit Symbol Pressure, pressure p Force divided by area Pascal Pa Normal stress norm al stressσ Shear stressτ linear strain (relative elongation) ε, eε = Δ l / l0 Where l0 is the length of the specified reference state; Δl is the length of the increment-one shear shear