If you have ever had the unfortunate incident of losing a cell phone - maybe accidentally leaving it in a bar - you probably know the frantic stress that can come with searching for the device.
如果你曾经有过丢失手机的不幸遭遇——也许是不小心把手机落在酒吧里——你可能就知道寻找手机时的焦躁不安的心情。
By applying a matrix approach, the stress wave propagating in an elastic bar is studied.
应用矩阵方法，研究了应力波在弹性杆形部件中的传输特性。
Results: the stress values of the ball attachment in the palate area, alveolar bone and implant bone interface were much higher than that of the bar attachment.
结果：发现杵臼附着式固位的种植赝复体在行使功能时其腭部、牙槽骨、种植体周围骨界面的应力值均远高于杆卡附着式固位的种植赝复体。
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