| 1. | Inside diameter required precision seamless steel tube for hydraulic and pneumatic cylinder use 液压和气动缸筒用精密内径无缝钢管 |
| 2. | What need to be considered in the designing stage to reach to the required precision leel 冲裁模设计须考虑哪些以确保所欲之尺寸精度? |
| 3. | 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? |
| 4. | Using afem based on local error estimation , we can give relevant mesh on different frequency phase with required precision 而基于局部误差估计的自适应有限元法在不同的求解频率段,根据计算精度的要求,采用相应的网格划分。 |
| 5. | The course demands constant attention as a combination of tree - lined fairways and diverse rolling terrain require precision , rather than distance 在赛道上需要球手全神贯注,因为在这里,树木林立的球道和变化多端的起伏地形需要的是精确而不是距离。 |
| 6. | The paper describes detailed design of all components of measuring head and through precision analysis expounds required precision to some important components , which affect the system ' s measurement precision directly 论文中详细叙述了测量头结构的零部件设计,并对一些直接影响测量结果的主要零件进行了精度分析和计算,给出了具体的精度值。 |
| 7. | The straight section of secondary air duct for boiler of 600 mw supercritical unit manufactured by dongfang boiler factory is shorter , at the time the measurement of air flow is being carried out by adopting velocity - equalizing tube flowmeter , the required precision can ' t be reached 摘要东方锅炉厂制造的600mw超临界机组锅炉二次风道的直管段较短,采用均速管流量计进行风量测量时,达不道精度要求。 |
| 8. | This method is better than the traditional method that relates the divergence of sediment transport rate to the deposition rate . the output of the tidal modelling reaches the required precision according to a comparison between the calculated tidal amplitudes / phases and the observed ones at 42 coastal tide gauge stations 潮汐潮流的模拟计算结果与沿岸42个潮汐测站的实测值结果对比达到了精度的要求,同时,计算得到的各分潮同潮图与实测结果相符。 |
| 9. | Based on extended kalman filter ( ekf ) algorithm , an traditional attitude determination scheme using star sensors and gyros was studied , and proved not able to achieve the required precision . so a new idea called instrument - in - loop was presented what using the attitude information contained in the payload ' s data for the control loop . the simulation proved that the instrument - in - loop method can greatly improve the precision of attitude determination with low cost 建立了svom卫星各种姿态敏感器的测量模型,研究了基于推广卡尔曼滤波算法的“星敏感器+光纤陀螺”定姿方案,指出了其无法满足svom卫星的定姿精度要求,并提出了instrument - in - loop的思想,即利用卫星有效载荷测量数据中蕴含的高精度姿态信息来滤波定姿,从而在避免使用昂贵的星敏感器的同时大大提高了系统的定姿精度。 |
| 10. | Coke oven is a complex plant with the characters of large time - delay , strong non - linear , multivariable coupling and changeable parameters . the dynamic process of the coke oven is driven by both continuous variables and discrete events . the mean flue temperature is affected by many reasons and it is difficult to control the temperature to required precision by the normal control methods 焦炉是具有大时滞、强非线性、多变量耦合、变参数的复杂对象,直行温度受多种因素的影响,焦炉生产过程既受连续时间信号驱动,又受离散事件信号驱动,采用常规的控制方法难以将直行温度控制到要求的精度范围内。 |