libration造句
例句与造句
- Owing to the phenomenon of libration it is possible to observe up to 60% of the total lunar surface .
由于天平动的现象，我们可能观测到月球总面积的60。 - 5 . lessen libration , debase noises , avoid pollution , improve working condition
5能使机械减少振动降低噪音防止污染，改善劳动条件。 - Owing to the phenomenon of libration it is possible to observe up to 60 % of the total lunar surface
由于天平动的现象，我们可能观测到月球总面积的60 。 - Therefore it is essential to identify the problems cause by the model structure in the automatic ca libration
此在自动率定的过程中认识到模型结构所导致的问题是非常关键的。 - Through optimizing design to fulfill strong steel structure , and to ensure the machine weaving abb with high speed , strong power and small libration
通过优化设计而实现的高钢性机架构造,保证了织机高速、强劲、低振动的稳定打纬。 - It's difficult to find libration in a sentence. 用libration造句挺难的
- The features of metal screw gear is reducing noise and libration . what is noticeable is : the equivalent plastic straight gear may effectively reduce the noise and libration
金属螺旋轮通常特点是能降低噪声和振动值得注意的是，等效的塑料直轮可以更有效地降低噪声和振动。 - Librations are primarily caused by the moon ' s varying orbital speed due to the eccentricity of its orbit : this allows us to see up to about 6 more along its perimeter
振动主要地由月亮所引起正在由于它的轨道的古怪改变轨道的速度:这让我们沿着它的周长见到达大约6更多。 - Despite the moon ' s rotational and orbital periods being exactly locked , we may actually observe about 59 % of the moon ' s total surface with repeated observations from earth due to the phenomena of librations and parallax
尽管完全地被锁的月亮的回转而轨道的期数，我们由于振动和视差的现象可能实际上用来自地球的重复的观察观察大约59 %月亮的完全表面。 - The assembly language program collects and processes the data real time . comparing kinds of method of filter and arithmetic of fft , the author select the fir filter to realize pretreatment of signal and radix - 2 fft to distill the characters of librations
通过对各种滤波方法和fft算法进行比较，本套数据检测和校准处理系统采用fir滤波对采集到的信号进行预处理，利用基2fft算法来提取信号的频率特征。 - The fractal theory application to fault diagnosis is tried in order to overcome the defec t of wavelet transform to nonlinear signal analysis and complicated machine diagnosis , including the concept , function and application about fractal dimension and the process of applying it to analyze the libration signal of rolling bearing and engine burning
针对小波变换分析复杂非线性机械系统时表现出的力不从心，又尝试探讨了分形理论在故障诊断领域中的应用，讨论了分形维数的概念、物理意义和应用，并通过滚动轴承和发动机燃烧振动信号的分析例示探讨和展示了应用分形方法进行故障诊断的方法和过程。 - Account for the motor control pragram to satisfy guideline of automatic biochemical analyzer . the aforesaid research and develop achievement ' s validity and practical value has been proved by laboratory simulation . the result testified that the system has satisfy great instrument ' s function , raise it ’ s measure definition , reliability , at the same time it depress the cost , restrain the libration and noise
上述研发成果通过实验室仿真调试证实了其有效性和实用价值,调试结果表明,这种新型的全自动生化分析仪电机控制系统,能较好地满足仪器功能要求,在提高其精度、可靠性的同时,又降低了成本,抑制了振动和噪声。 - On the part of the design of nine - component thrust vector stand , an automatic hydraulic pressure original position calibration system , a scheme of original position calibration , and the great rigidity universal flexible combinatorial underprop are designed . by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ” , the inherent frequency of test stand is improved , and the problem of test stand libration is solved . then , the resolving method of the disturbance between underprops of the moveable frame is proposed , and the disturbance revise equation is deduced
在推力矢量试车台设计方面,设计了自动液压原位校准系统、原位校准方案以及大刚度万向柔性组合支撑;采用“万向柔性组合支撑+软件数字滤波”的方案,提高了试车台动架的固有频率,解决了试车台动架的振动问题;提出了动架约束互扰问题的解决方法,推导了互扰修正方程;研究了九分力推力矢量测量误差分析方法,并计算了推力矢量测量精度。 - Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas , then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads . to consider this factor is very necessary in the process of design , we will use the pulsant augmentation coefficient to realize it
比较静力风荷载和动力风荷载作用下的有限元软件的计算结果，选取结构边缘部分的两个节点，对比它们在两种方法计算下的最大位移的计算结果。经过比较可以看出重量轻、频率低、阻尼小的柔性建筑物对风荷载的横向振动是很敏感的，在进行工程设计时应该考虑这种因素，并可采用乘以风振系数等相应方法来加以体现。 - Thirdly , in term of the results of testing and calculation , the displacement and libration , the difference of altitude , the flexibility and strain of crane - beams are all generally analysed , especially the reason why the crane - beams are attaint is lucubrated , and the reasons why the trigging pole is ruptured , the upper wingspan is damaged , the orbital movement , the exceptional incline of colums are open out , which has instructional significances that improve the design of the steel frame of the coke made by dry flameout
第三，根据检测和计算结果，对钢框架的位移和振动、框架高差、吊车梁挠度和应变等进行了全面的分析，特别对吊车梁系统的损伤原因进行了深入分析，揭示了制动杆件断裂、上翼缘磨损、轨道窜动、柱异常倾斜等一系列损伤现象的原因，对于改进干熄焦钢框架的设计有着直接的指导意义。 - Simulation results test that the adaptive controller can eliminate dynamic asymmetry of the output , reduce the effect of the modeling error , restrain the bigger pressure break and libration of the system so as to improve the follow precision and ensure the stability of the system . the controlled system has good follow and repetition performance for these reasons . when we considering the dynamic characteristic of the servo valve ,
仿真试验结果表明:在系统中应用自适应控制器后,消除了系统输出力正反向的动态不对称;大大减小了模型化误差的影响,有效的抑制了系统换向时产生的较大压力突变和系统振动,提高了系统的跟踪精度,保证了系统的稳定性,同时使系统具有良好的跟踪能力和复现能力。
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