Software subdivision and "virtual frequency conversion" technology were adopted in this solution, which realized multigrade, adaptive subdivided drive in operation of stepping motor.
Results According to the chest X ray film findings,pulmonary tuberculosis was mostly locating in upper and middle lobes,its property included patching effusion shadows,creber tuber...
The method of calculating microstepping currents for variable reluctance stepping motor with equal microstep angle was described when motor torque characteristics were sinusoidal shapes.
Analysis on leakage reasons of chlorine liquefier were anlysed from manufacture, test and application. The liquefier was failure, and the protective measures were put forward.
Finally experiments indicate that squared cancroid method is better, which is simple and easy implemented and improves the locating precision and the Noise resisting ability.
Physiographic-lily, it could be divided into five fades zones: the reel front, growing reef, reef flat, beach and lagoon;and each zone could be further subdivided.
On the one hand, face a different class of service, which in itself is an objective requirement consumption tiered consumer markets must be broken down, the need to professionalize.
频”技术，实现了步进电动机多档位、带电自适应
病合并症较多,仔
态特征、周边
高基层医师对
能详
，我想我
