Application method: After washing face, use rolling ball to rubon pimples to let the effective ingredients penetrate successfully for the perfect effect.
使用方法：洁面后，直接用滚珠在暗疮部位轻轻涂抹，使本品有效成份顺利渗透，达到最佳效果。
2
A method for extracting the features of rub and impact in rotor systems supported on squeezed film dampers is studied in this paper.
本文研究了支承在挤压油膜阻尼器上的转子系统碰磨故障特征的提取方法。
3
Based on the specific diagnostic cases of impact-rub fault, the limitation of classical linear method and the advantage of multidimensional method are analyzed by comparison.