1.Through the calculation on flexivity of drag-chainand length of chain curve,set screw-pull-ing instrumentneeds to be adaptedto suitable period.
通过对牵链的挠度和链曲线长的计算,确定链传动需要调整的适当时期。
2.Objective To develop a rapid, microlesion method to treat the fracture of zygomatic bone using the rtaction-reposition-fixation device.
目的研究一种颧骨颧弓骨折微创快速牵复位固定的方法。
3.We need to improve the driveability side of the engine and also the mechanical traction of the car.
我们需要改进擎的操控性能和赛车的机械牵力。
4.12 patients were treated with bonded RME appliance to expanse the maxillary arches and with vertical pull chincap to augment anchorage.
通过对 12 例患者在扩弓及内收切牙时应用牙弓板式扩弓治器及高位牵的头帽颏兜加强支抗。
5.At present the research of the deep water tractive current deposition mainly focus on contourite and internal tide, internal wave deposition.
目前深水牵流沉积的研究主要集中于等深流沉积和内潮汐、内波沉积。
6.Methods On the demand of preventing and reducing malpraxis,the system structure and software design were implemented based on RFID and wireless technology.
7.Objective The aim of this study was to assess the effects of varying retractive force directions on the displacement of and stress distributions in palate.
摘要目的探讨后牵力的方向与上颌腭部位移和应力分布的关系。
8.He saw people as puppets, controlled by some pitiless force much as he, in boyhood, had controlled his own marionettes in his toy theatre, making Mr Punch jibber and squawk in nonsense-language.