| 1. | Straightening series super precision leveling machine 矫正整平系列-超精密矫正机 |
| 2. | Straightening series easy type precision leveling machine 矫正整平系列-简易型精密整平机 |
| 3. | Easy type precision leveling machine jm2 - 100 简易型精密整平机jm2 - 100 |
| 4. | Precision levelling staffs 精密水准标尺 |
| 5. | What need to be considered in the designing stage to reach to the required precision level 冲裁模设计须考虑哪些以确保所欲之尺寸精度? |
| 6. | Do you apply the same precision level and tolerance grade to both short and medium run die design ? if not , what is the normal practice 小量生产与中量生产用之冲裁模,采用同样的设计精度与公差等级吗?如果不是,各为何? |
| 7. | For rotary axes can be made less expensive , easier and more compact than a linear guide at the same precision level , a rotary arm that carries a diamond tool combined with a fast tool servo are used to replace the straight lines 由于旋转抽与同等精度的直线导轨相比,具有制造难度小、成本低及结构紧凑等优点,所以采用具有快速伺服机构的金刚石刀架摆臂代替直线导轨进给运动方式。 |
| 8. | The methods and rules in field working first normanized by this study for crop discrimination using rs enable field working to run economically . the small features in crop fields are related to the precision level of crop discrimination using rs 该方法系统、全面的规范了田间作业准备、田间作业过程及田间作业数据处理等各个环节的操作,使整个田间工作系统化、标准化,节约时间、经费。 |
| 9. | In this thesis a fmcw radar level measurement system based on the integrated microwave tx / rx unit is designed , the high precision level measurement technique by employing the phase of the fft of the beat - note signals is presented ; and finally the experimental results are given Fmcw雷达具有距离分辨率高、发射功率小、便于集成化等优点,适合用于液位测量系统。本文主要研究fmcw液位测量雷达系统设计以及基于fft相位信息的高精度测距原理。 |
| 10. | By the means of theory , simulation and experiment , the second part of this paper is then analyzed which is on the equivalent output resistance and inductance of the selected inverter and the effect to the output voltage ' s amplitude and phase caused by the different values of the inverter ' s component . it is concluded that by selecting certain precision level components , the difference of the output voltage amplitude is much greater than that of the output voltage phase 其次通过理论、仿真和实验分析了本文所采用的电压电流双闭环瞬时控制方式逆变器的等效输出阻抗和两台逆变器器件差异对输出电压的幅值差和相位差的影响,从而得出选用一定精度的器件,两台逆变器输出电压的幅值差比相位差大得多的结论。 |