当量

A massspring-damp model is proposed through constructing the mapping relation between equivalent parameters and finger seal＇s structural parameters.

通过建立当量模型中各等效参数和实际指尖密封结构参数之间的映射关系，构建了指尖密封迟滞性能优化的质量一弹簧一阻尼当量模型。

Beginners usually use the closest English equivalent, but at some point you have to realize that there isn't such an equivalent, which means you may need to twist your tongue in an unfamiliar manner to produce some of the sounds.

初学者通常使用最接近英语当量，但在某个时刻，你要认识到，有没有这样一个当量，这意味着你可能需要扭你的舌头，在一个陌生的方式制作一些的声音。

On the respect of partially-premixed combustion research, we systematically studied the structure of partially-premixed flames in counter-flow and coaxial jet flow by using direct calculation and flamelet modeling.

在部分预混燃烧研究方面，本文结合火焰面模型和直接求解的方法，在对撞射流流场和同轴伴流流场中系统研究了部分预混火焰的结构特征，提出以预混燃料的当量比和当量混合标量耗散率作为描述部分预混火焰结构变化的参量的观点，并比较了它和非预混火焰的异同。

The paper analyses two kinds of new formulas on the equivalent friction coefficient of V-belt drive in the present mechanical design and finds out that one is reasonable but has certain error and the other is wrong.

对现行机械设计中关于V带传动当量摩擦系数的2种计算公式进行分析。认为其中一种公式是合理的，但存在一定的误差；而另一种公式却是错误的。通过推导V带欧拉公式，给出了计算V带传动当量摩擦系数的准确公式，并在公式中引入了一个新的参数——摩擦力方向角。在考虑皮带拉力变化既有径向滑动又有周向滑动的前提下，改进后的计算公式比现有公式更加完善

The FSB said it suspected the explosive hexogen was used and estimated the strength of the blasts at 4kg of TNT equivalent for the Lubyanka station bombing and up to 2kg for the Park Kultury attack.

俄罗斯联邦安全局表示，它怀疑袭击者使用了黑索今炸药，估计卢比扬卡站的爆炸当量相当于4公斤TNT，文化公园站的当量为两公斤TNT。

The index difference and relevance of sand equivalent and methylene blue for different series of fine aggregate were analyzed.

分析了不同规格细集料的砂当量的指标差异性、亚甲蓝的指标差异性和砂当量、亚甲蓝指标的相关性，并在大量细集料试验基础上提出了细集料的技术指标和评价原则。

Considering the similarity between the excited signals, shooting repeatedly can be an effective way, we use the linear stack and N -th root weighted stack method, the method can effectively improve the clarity of the signal.

针对小当量激发波形的相似性，采用小当量多次激发的方式，通过 N 次根加权叠加方法，能有效提高记录的信噪比和震相识别精度。

In view of the principle of pointbypoint comparison method, the foundation deciding whether the middle point interpolation is the control step error of NC system has been advanced, the math mould of inserting and compensation method established and the function that judges error by interpolating method has been improved.

基于逐点比较法原理，提出中点插补算法作为数控系统控制步进的偏差判别依据，建立了插补算法的数学模型，对插补算法偏差判别函数进行了改进和完善。实例分析结果表明，中点插补算法使插补精度由原来的小于等于一个脉冲当量提高到小于等于 0 。5个脉冲当量，插补点大幅度地下降，系统的响应速度加快和插补精度提高

The elements of optical waveguide strain-stress measurement and fiber bragg grating strain-stress measurement system based on wavelength division multiplexing and spatial division multiplexing are emphatically discussed; the displacement regularity of stress field induced by roadway group excavating and short wall mining process is analyzed in detail; the concept of roadway "equivalent radius","correcting coefficient of coal and rock mass mechanical parameters",and "mining affecting coefficient" is put forward; the calculation method of "equivalent radius", the method of inversion of "correcting coefficient of coal and rock mass mechanical parameters", and the "mining affecting coefficient" determination method with the field measurement results and so on are provided.

重点研究了光波导应力应变测量原理，以及基于波分复用和空分复用技术基础上的布拉格光纤光栅应力应变测量体系；详细分析了近距离巷道群开掘工作和短壁体系回采工作诱发的应力场的重新分布规律；提出了巷道"当量半径"、"煤岩体力学参数修正系数"、"采动影响系数"等概念；给出了"当量半径"的计算方法、"煤岩体力学参数修正系数"的反分析求算方法、以及通过现

Of various biaryl alkynes under mild condition by an easy-to-handle complex 4 in unpurified solvents of regent grade quality.

此反应可将两当量的DMAD分子和一当量各式各样双芳香环取代的乙炔分子在空气下进行一个环化反应，并且可使用未经纯化过的试药级溶剂。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失