pear power
常见例句
- Dynamic equilibrium is determined according to sinusoid stress strain. Pear fruit makes marked effects on dynamic modulus and phase position in different pre load, active power and ripeness.
利用正弦曲线应力-应变动态试验测定了黄花梨的动态特性，发现在不同预加载荷、不同激振功率、不同成熟程度等条件下梨果实动态试验的弹性模量和相位角明显不同。 返回 pear power