Objective Research application partial stationary type incline guide plate corrects the face countenance asymmetrical abnormal clinical effect. 目的:研究应用局部固定式斜面导板矫治颜面不对称畸形的临床效果。
The outer mechanical seal shall be constructed with a solid block silicon carbide rotating seal face and a solid block silicon carbide stationary seal face. 外置的机械密封应该采用一块整体结晶碳化硅旋转密封面和一块整体结晶碳化硅固定密封面。
Because of the great difference between mobile computing environment and stationary distributed computing environment, cause data synchronization face great difficult. 而移动计算环境与传统固定分布式计算环境又有很大的差异,使得维护数据同步工作面临巨大困难。