查询词典 frequencies

In this method, the sensitivity is performed to find the design parameter. The approximation of natural frequencies is given by the Taylor expansion with respect to the design parameter.

该方法通过对结构进行敏感度分析，确定结构中最为敏感的参数，由泰勒展式给出结构的固有频率变化与敏感参数变化之间的近似对应关系。

The resonant causes of the motorbike and the resonant frequencies were found by measuring the vibratory signals of a two-wheel riding motorbike on line with telemeter and the test model analysis of the frame.

通过对某二轮摩托车振动信号的在线测量和摩托车架的试验模态分析，找出了摩托车发生共振的原因及其共振频率。

When the frequencies are 100kHz and 1MHz, the tenability keeps between 40-50% at the room temperature.

当测试的频率为100kHZ和1MHz时，介电可调度达到很大值，室温下在40%－50%间。

What are the perceived frequencies of the use of the test-taking strategies in question?

专四阅读理解测试的答题效度是否符合预期？

Using this technology, the entire range of Alpha and Theta frequencies between 5-12 Hz were tested extensively in several studies.

利用这一技术，整个一系列的Alpha和西塔5-12赫兹之间的频率进行了测试广泛的几项研究。

Results Postoperative hearing threshold was 25 dB for speech frequencies with a gain of 47dB for the elder brother, and hearing threshold of 28 dB with a gain of 52 dB for the younger sister.

结果 兄语言频率气导听力提高47 dB，听阈为25 dB；妹提高52 dB，听阈为28 dB，分别随访8年及1年余，听力稳定。

Only the time base have been adjusted to show the same amount of periods for the different frequencies.

只有基地的时间已调整表现出相同数量的时间为不同的频率。

New concept of active strain energy tuning is employed in order to tune the natural frequencies of the plate.

基于主动应变能调节的概念，可实现对板的固有频率的调整。

The modal properties including modal frequencies and mode shapes of the torsional oscillation system were calculated and analyzed with eigen analysis and impedance matching method.

用特徵分析和阻抗匹配方法对系统各个模态固有特性包括固有频率和振型进行了对比计算和结果分析。

The calculations of torsional vibration of crankshaft systems of 12V240ZJ6E diesel engines were carried out with TVCA programme and I deas software to obtain system natural vibration frequencies, vibration amplitudes of various concentric masses at different rotational speeds, and torques and torsional stress es of various crankshaft sections at different rotational speeds.

运用TVCA程序和Ⅰ deas软件对 12V2 4 0ZJ6E型柴油机轴系的扭转振动进行计算，求出系统的自振频率、各集中质量在不同转速下的振幅和各轴段在不同转速下的扭矩、扭转应力值，对自振频率、自由端振幅和扭转应力最大轴段进行了分析，对轴系的扭转振动情况作出总结与评

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。