目的：研究不同功率下超声龈下工作尖的不同工作端对牙根面的影响及其工作效率。
Objective: To study the effect on the root surfaces and the work efficacy following ultrasonic subgingival scaling with different output power and different parts of work tip.
计算结果显示，设计的高速电主轴单元主轴轴承、主轴前端温升理想，工作端轴向热位移很小。
The results indicate that temperature rises of the designed high-speed spindle bearings and the front of the spindle are very ideal and the thermal displacement of the front is very small.
异步延迟响应调用：客户端在调用后继续工作，稍后再查询其先前发出的调用的结果。
Asynchronous deferred-response invocation: the client proceeds to work after invocation, later querying the result on its initiative.
应用推荐