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The purpose of this is not to use our issue to influence the all-important eighth consecutive Most Important Election of Your Lifetime.

的目的,这是不使用我们的问题影响到所有重要的八分之一,连续最重要的选举,您的一生。

We ourselves start from this very assumption and try to build from it a theory of more sensible relations between the sexes. Of all forms of arrant untruthfulness Victorian optimism appears to me to have been the most cowardly and the most damaging.

但更重要的是,不想撒谎或者不滑入到无意识的不诚实的思维习惯中去,这种思维习惯极其轻松愉快,宛如毋需动脑子那样。

When buying the helmet make sure it fits well, that it sits still and doesn't move if he shakes his head, that it doesn't compromise his vision and hearing and, above all, that the child is able to easily open and close with one hand the strap under the chin.

买安全帽时应该要确认它的合适度佳不佳,戴上去的时候,小孩摇头会不会晃动,会不会影响他的视力跟听力,最重要的是小孩能不能用一只手打开、关上安全帽的扣带。

As a judicial precedent, this case is even more important meaning is that even if the president's executive privilege really arise, the president is not above the law permits, the court can not refuse to hand over evidence needed.

作为司法判例,这个案件更为重要的意义在于,即使总统的行政特权真的存在的话,也不许可总统超脱法律,更不能拒不交出法庭需要的证据。

The effect of tribology factors on bearing vibration is studied experimentally. AR model and WPT are used to processing the normal arid abnormal signals. The results are as follows:1. The vibration of ball bearings is caused by the tribology action of contact pairs of ball and ring races and has the essential of tribo-dynamics. Any factors affecting the tribology characteristics of contact pairs will affect vibration and noise of bearings consequently.2. Vibration characteristics of bearing keep almostly unchanged with the increasing of axial load expecting the increasing of nature frequencies. When radial load increasing with axial load unchanged, nature frequencies keep unchanged but some new vibration peaks appears in the spectrum.3. Vibration amplitudes are damped and nature frequency are enhanced with sufficient lubrication. Vibration and noise of bearings increase obviously and roar can happen and the contact surfaces scratch slightly under insufficient and unclean lubrication state. Bearing will be disabled in a few minutes without any lubrication.4. Bearing vibration is unstable under low speed. With the speed increasing, the vibration become stable and natural frequencies increase slightly but the amplitudes increase apparently.5. Bearing vibration can be excited only by some harmonics ofwaviness without lubrication and by all harmonics with lubrication based on the theoretical analysis.6. The nature frequencies of ball bearings decrease with the increasing sizes. When international clearance increasing, nature frequencies decrease in radial and increase in axial and angular and the amplitudes increase in radial and decrease in axial and angular. When the number of balls increasing, nature frequencies increase and amplitudes decrease. When the pitch diameter increasing, axial nature frequency increase and others nearly keep no change. When outer race groove curvature radius increasing, nature frequencies increase in radial and decrease in axial and angular and amplitudes keep no change in radial and increase in axial and angular. When inner race groove curvature radius increasing, nature frequencies decrease and amplitudes increase.7. The distortion in amplitude and frequency components of bearing vibration signals picked up by the present probe measurement method is founded and right conclusions cannot be achieved by the signals. When accelerometer is rigidly screwed with steel stud onto a flat outer surface of a ball bearing, vibration signal can be got without distortion and the reliability of research on bearing vibration is assured.8. AR model is suitable for large samples of bearing vibration signals, square root of length of samples can be used as the upper limitation of order determination and the FPE order selection criterion is effective. Many advantages of AR spectrum are founded over the classical based on FFT.9. Time-Frequency analysis is necessary for abnormal noise of ball bearings. WPT overcomes the principle shortcomings of STFT and proved to be a best tool to process the abnormal signals.

理论分析和试验研究表明: 1球轴承振动是钢球—滚道接触副中的各种摩擦学作用引起的,具有摩擦动力学的本质,任何对接触副的摩擦学特性有影响的因素都将对球轴承的振动和噪声特性产生影响; 2中心轴向载荷作用下,载荷增大使球轴承的固有振动频率升高,载荷越大同样的载荷增幅引起的频率升幅减小,足够大的中心轴向载荷作用下载荷的变化对球轴承振动的频率特性不会产生明显的影响; 3轴向和径向联合载荷作用下,径向载荷不大时球轴承振动的固有频率基本不变,但是可能引起变刚度激励的非线性振动,出现新的频峰,过大的径向载荷将使部分钢球脱离接触,使球轴承的振动和噪声呈现不稳定状态; 4润滑对球轴承的振动和噪声特性有重要的影响,良好的润滑对振动有明显的抑制作用,润滑不充分时,振动和噪声的水平会有明显增高,一定条件下还会激发接触副中的谐振,发出啸声,造成接触表面的伤害,无润滑干接触时,短时的运转就会损伤接触副表面,使振动和噪声迅速增大,并随时可能引发严重的磨损和卡滞失效;接触副润滑良好时,油膜的"刚化效应"使球轴承振动的固有频率有所提高,润滑剂中含有弥散性污浊时,振动的幅度总体升高,但弥散性污浊不会改变球轴承振动的频率特性;浙江大学博士学位论文:球轴承振动的研究 5低速时,球轴承振动的基本特征呈现不稳定状态,随着转速的提高,球轴承振动的频率特性趋于稳定,固有频率频峰升高; 6理论分析表明,干接触时钢球和滚道表面波纹度的某些谐波分量能激励球轴承的振动,振动的幅值与谐波幅值成正比,实际球轴承中钢球的分布不可能完全均匀,波纹度的激励作用会随时发生;润滑接触的分析表明,波纹度的任意谐波分量均能激励球轴承的振动; 7球轴承的几何和结构参数分析表明,球轴承尺寸越大,径向、轴向和角振动的固有频率越低;钢球中心圆直径增大,球轴承的径向和轴向振动的固有频率基本不变,角振动的固有频率有所上升,振动的幅频特性基本不变;径向游隙加大使球轴承的径向振动固有频率降低,轴向和角振动的固有频率有所升高,径向振动幅频特性的幅值升高,而轴向和角向降低;钢球的数量增多使球轴承振动的固有频率上升,幅频特性的幅值下降,径向振动的幅值下降最为明显;外圈沟曲率半径系数增大使球轴承径向振动的固有频率升高,轴向和角振动的固有频率降低,径向幅频特性基本不变,轴向和角向幅频特性幅值升高;内圈沟曲率半径系数增大使径向、轴向和角振动固有频率均下降,振动幅频特性的幅值均有升高; 8试验对比表明,传感器采用探针式安装时,由于探针接触副接触特性的影响,钡(量得到的球轴承振动信号有失真,采用专门设计和制作的试验球轴承,以固定式安装加速度计,首次测量得到了球轴承振动的真实信号,通过对振动信号的分析,验证了球轴承振动的理论模型; 9)基于时间序列分析的AR模型适用于大样本球轴承振动信号的分析,以样本长度的均方根值作定阶上界,FPE做判阶准则,给出的AR谱光滑,频率分辨率高,是球轴承振动分析的简便而可靠的手段; 10以时频域分析的小波包变换分析球轴承异音信号能够比较好地定位和聚焦异音发生的时间,时间间隔,频率范围,同样是球轴承振动分析的可靠的手段,可用作球轴承故障诊断技术。

Being the sixty-third child of seventy-three eggs in the royal hatchery is enough to leave any draconian child feeling insignificant and unwanted-not to mention a little hungry.

作为皇家孵化院七十三只蛋中的第六十三个孩子,足以让任何小龙人感觉自己既不重要,又无人理睬,更不要说还很饿了。

He's agile, he's six-foot four, he can kick it with either foot, he's got a terrific work ethic, but more importantly he's got humility.

他力保大门不失,重要的是他身高6尺4寸十分灵活。2只脚都能踢球,他的工作十分出色,但是更重要的是他还很谦虚。

Now the situation is not satisfactory, there are many problems, the reasons are multi-faceted, including one very important reason is that property management companies do not or should not play a subjective initiative, for fear of offending the owners / tenants, for fear of being held do not have a strong sense of service of the hat, did not dare "management", stressing that there is no punishment blindly right to shirk its responsibility.

现在的情况不能令人满意,存在着许多问题,原因是多方面的,其中一个很重要的原因是,物业管理公司不会或不应该发挥主观能动性,怕得罪业主/租客,怕不被关押有强烈的服务帽子,不敢&管理&,强调没有处罚权的盲目推卸责任。

In some embodiments, the list of predefined unimportant terms is not used.

在一些具体化中,预先定义不重要条款的清单不被使用。

Of ? chaste tree closelies question adept of of lineal descent of show off yellow Guan seeks extensive plaque? is not them more saying meeting affects a rank, as to why such, be afraid only him Baidu knows, so we were not necessary to spend too much time in these places.

这就说明了一个问题,SITE:网站,首页不在第一其实真的不重要,更不是他们说的会影响到排名,至于为什么这样,恐怕只有百度自己知道,所以我们没有必要在这些地方花太多的时间。

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推荐网络例句

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。