虽然能量吸收和声音、超音振动技术可反映采后果蔬内部的损伤情况，但这两种技术仅用于对果蔬挤伤敏感性的分析。
Energy absorption and sonic and ultrasonic vibration may reflect the status of internal damage, but both techniques are more suitable for assessing bruise susceptibility.
该内容涉及到超音速射流与障碍物或空腔体相互作用时出现的失稳状态下激波的振动和空腔体底部的反常加热问题。
This problem is related to the auto vibration of shock wave or abnormal heating, In the bottom of container when there is interaction between the supersonic jet and the obstruction or the container.
作为算例用它计算了后掠超音速平板叶栅由于振动引起的非定常空气动力功。
Program and unsteady aerodynamic work caused by oscillation of sweepback supersonic plate cascade were provided as an example of its application.
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