This is a dimensionless number because it's length divided by length.
这儿没有量纲，因为是长度除以长度。
And I think people would start looking to see, well, maybe other dimensionless ratios like the ratio of the mass of the electron to the mass of the proton are changing.
而且我认为人们也会开始考虑，像电子的质量对质子的质量的比值，也许其他无量纲的常数也在发生变化。
A new dimensionless combustion index Z has been proposed to describe the combustion behavior of coal and char.
由热分析实验数据归纳提出了表征煤和半焦着火、燃烧及燃烬性能的无量纲综合燃烧指数Z。
A dimensionless physics is not so profound as it may sound, nor would it necessarily be a terminus of man's downward probing.
无量纲物理学不像听起来那么深奥，也未必是人们向深处探索的终点。
This is a dimensionless metric.
这是一个无量纲指标。
The study shows that dimensionless wave forces are not influenced by radius.
研究表明，无因次波浪力基本不受筒径影响；
The physical process observed in within a duration less than 0.07 dimensionless time.
所观察到的过程发生在无量纲时间<0.07的范围内。
Variables of increment in the method are dimensionless, and can be chosen arbitrarily.
该法的增分变量是无量纲量，可任意选择。
Both natural unit and dimensionless transformation are usual methods used in scientific research.
采用自然单位和无量纲变换都是科研上常用的方法。
The following is the equation for linear flow with skin, at constant rate, in dimensionless form.
这句话的意思是，在稳定流动的前提下，包含表皮因子的线性流方程的无因次形式。
The influences of dimensionless permeability modulus and skin factor on pressure response are discussed.
讨论了无因次渗透率模数和表皮系数对压力响应的影响。
This article introduces a new dimensionless tabulation method to calculate reinforcement of T-section beams.
介绍了一种新的无量纲表格法来计算T形梁的正截面配筋。
The coupled differential equations of the dimensionless beam width parameters of two optical beams are solved.
求解了两光束无量纲束宽参量的耦合微分方程。
Finally the dimensionless backmixing rate is correlated with the operating parameters and geometric parameters.
对无因次返混流率与操作参数和几何参数进行了关联。
In non linear packaging system, the system parameter and dimensionless dropping shock velocity are the evaluation quantities.
对于非线性包装系统，系统参数和无量纲跌落冲击速度是产品跌落破损的评价量。
The dimensionless IPR curve model appears to pro- vide a cost-effective way of predicting horizontal gas well deliverability.
由此说明，无因次IPR曲线模型是一种经济实用的预测水平气井产能的方法。
This paper describes the first part of a research project, "Establishing a model of dimensionless variables and its analysis".
主要介绍喷气式流体旋流浮选器细煤浮选过程的模拟与分析课题的第一部分，即无维变量模型的建立与分析。
Meanwhile, the failure probability of vertical bearing capacity of pile is calculated by using the dimensionless calculation mode.
利用无量纲计算模式推导了基桩竖向承载力的失效概率的计算公式。
A huge amount of experimental data is synthesized to establish a dimensionless number equation for intensified boiling heat transfer.
并综合大量实验数据建立强化沸腾传热准数方程序。
The differential equation of unsteady infiltration of anomalous pressure has been established, and presents its dimensionless fashion.
建立起异常高压气藏的不稳定渗流微分方程，并给出其无因次形式。
However, the calibration of the dimensionless stress intensity factor, which is an important mechanical parameter, is still in question.
但是，该试样的重要力学参数即无量纲应力强度因子的标定尚有问题。
The dimensionless parameter called "optical dimension" of the fiber is introduced, from which a new dispersion formula of SMOF is derived.
文中引入了光纤的“光学尺寸”这一无量纲参数，并由此导出了新的单模色散公式。
The dynamic compliance coefficient curves and the torsional Angle amplitude of a rigid disc versus the dimensionless frequency are presented.
文末数值算例给出了动力柔度系数和扭转角幅值随无量纲频率的变化曲线，并与单相弹性介质情况进行了对比分析。
On the basis, the influence of dimensionless apparent permeability variation factor and mobility ratio to pressure behavior has been analyzed.
在此基础上，分析无因次表观渗透率变化系数和流度比对压力动态的影响。
The dimensionless of the leakage water temperature and the stratum temperature in real Spaces were obtained by the contour integration method.
再利用围道积分对其进行逆变化，得到无量纲渗漏水温度及地层温度解析解。
The dimensionless velocity-profile formula fits not only the depth average velocity profile but also velocity profile of each layer along depth.
利用速度剖面公式计算的垂线平均流速场与实测值符合较好。
The results show that the external boundary, potential core and dimensionless velocity distribution curve are different from those of general jets.
结果表明，脉冲喷嘴射流的外边界变化规律、等速核和无因次速度分布规律等均与普通射流有较大差异。
The results show that the Reynolds number, the fin inclined Angle, and the dimensionless channel height all influence the enhancement effect drastically.
结果表明：雷诺数、翅片倾角和通道高度都是强化效果的重要影响因素。
The results show that the Reynolds number, the fin inclined Angle, and the dimensionless channel height all influence the enhancement effect drastically.
结果表明：雷诺数、翅片倾角和通道高度都是强化效果的重要影响因素。
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