Objective:To investigate the therapeutic effect and mechanism of nanometer magnetic point application in treating essential hypertension.
目的 ：探讨穴位贴敷治疗慢性萎缩性胃炎的作用机理 ，为临床应用提供科学依据。
The principle of magnetic-fluid reciprocating shaft seal is introduced, some problems of its design and application are analyzed from the point of view of tribological design.
介绍了磁流体往复轴密封的原理，从摩擦学设计角度分析了其设计和使用中要注意的问题。
Objective: to discuss the main point of the application of four-handed dentistry used in magnetic over-denture for the defect or miss of the denture in department of stomatology.
目的探讨口腔科门诊采用磁性附着体覆盖义齿修复牙列缺损或缺失过程中的护理配合要点。
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