基本常数不变仅是一个假设。
物理学的基本常数，是用以描述自然中力的强度的量。
The fundamental constants of physics are the Numbers that describe just how strong the forces of nature are.
微细构造常数和其他基本常数都无疑是我们现在研究的核心。
The fine structure constant, and other fundamental constants, are absolutely central to our current theory of physics.
根据一项新的研究表明，宇宙的一个基本常数可能终究并非常数。
A fundamental constant of the universe may not be so constant after all, according to a new study.
特纳博士：好吧，当你查看自然基本常数时，阿尔法常数会是您的单子上的第一名。
Dr. TURNER: So when you look at fundamental constants in nature, alpha would be number one on your list.
扩展功能包括了23基本常数，对金属系列活动，公制前缀和超导材料的历史概况说明清单。
Extended features include a list of 23 fundamental constants, illustration of the activity series of metals, metric system prefixes and a historical summary of superconducting materials.
概括介绍目前电学计量的基本状况和能力，说明电学计量的主题领域范围、与基本常数的关系。
Overview of the general status and the capabilities of electrical metrology to illustrate the breadth of electrical metrology subject area and the relationship with fundamental constants.
宇宙基本常数，比如电磁力强度之类的精细结构常数，符号位“alpha ”，它们因为被假定为不变量而得名。
Fundamental constants such as the strength of the electromagnetic force - the so-called fine-structure constant, or alpha - get their name from the fact that they are supposedly the same everywhere.
一个有趣的速率包含所有基本的速率常数，作为它的一部分。
With a funny rate that contains all the elementary rate constants as part of it.
这篇报告描述了某一个人为假定的自然界的基本物理常数，似乎并不是一直保持恒定不变。
The report describes how one of the supposed fundamental constants of Nature appears not to be constant after all.
几十年来，自动化一直是个常数，而机器人和人工智能领域的最新进展基本上确保了其应用速度将加快。
Automation has been a constant for decades, and the latest advances in robotics and artificial intelligence all but guarantee that the pace will accelerate.
代数体函数的第二基本定理是一个基本而重要的定理，但它是关于常数的，其适用范围有局限性。
The second fundamental theorem of algebraical functions is fundamental and important but it is about constant Numbers and its applicative area has a limit.
本文对具有介质电极的高频放电进行了讨论，对频率、介电常数对放电的影响，阻抗匹配等基本问题进行了探讨。
The paper discusses high frequency discharge with dielectric electrode, emphasizing on the basic issues relating to the influence of frequency, dielectric constant on discharge and impedance match.
随着测试频率的增加，测得的材料介电常数略有下降，而居里温度与温度系数基本维持不变。
Moreover, with the increase of the working frequency, the dielectric constants of the PST materials decreased, but the Curie temperature and temperature coefficient basically had no variation.
本文首先实验测定了7 - ACA结晶热力学数据和粘度、密度、电离平衡常数等必要的基本物性数据。
First, the crystallization thermodynamic data and other basic physicochemical data of solution, such as viscosity, density of 7-aca solution and dissociation constants, were measured by experiments.
人与1～7月龄猪升主动脉一维载荷下力学材料常数比较基本相似（P>0.05）。
The mechanical material constant of ascending aorta at one-dimensional loading of human was basically familiar to that of swine of 1 to 7 months(P > 0.05).
低风速时，几乎与风速呈反比，高风速时基本保持为常数。
At lower speed, it is inversely proportional to the wind speed, but at higher speed, it is basically a constant.
同时，实践证明，用固定若干基本物理常数的数值来重新定义基本单位，可以进一步提高基本单位的准确性。
At the same time, the practice shows that the accuracy of fundamental si units could be improved further by redefinition of some fundamental physical constants.
本文用分解真分式为最简分式的分解基本定理来确定最简分式分子里的常数。
This article defined constant in numerator of simplest fraction by the way of resolve proper fraction to simplest fraction.
用光学透射测量方法得到了该薄膜材料的基本光学常数（带隙、线性折射率、线性吸收系数）。
The band gap, linear refractive indices and absorption coefficients fundamental optical constants of the film were obtained through optical transmittance measurements.
目前已知的部分生物大分子的介电常数基本都是由实验加以测定的。
The dielectric constants of some biological molecules were known basically only with measurement of experiments.
现场使用的电机基本运行在偶然失效阶段，因而其失效率近似为一常数。
The motor on the spot is in operation in the random failure period and therefore its failure rate is approximately a constant.
其中IVR过程与溶剂性质基本无关，由于受激发态富余振动能量大小的影响，在实验温度范围内随温度降低其时间常数呈线性增加。
The difference of the average vibrational energy of solute molecules in the ground state at different temperature is a possible reason that induces this IVR time constants temperature dependence.
本文介绍了有关低介电常数材料薄膜的制备方法和基本特性的检测技术。
In this paper, we introduced the technologies used in preparation and test of low-dielectric-constant materials.
当两种滤波器的尺度空间常数很大时，它们的时域与频域性能基本相近。
When the scale space constants of the two filters are large enough, the characteristics and performances are almost the same.
试验表明：在M 30砂浆中，纤维不同埋置长度的界面粘结强度基本为一常数3。
The results show that the interfacial bond strength of different embedding lengths in M30 mortar almost is a constant 3.
本文从压电学的基本定义出发，推导出两相系0—3型连通性复合压电材料的压电应变常数表达式，进一步修正了T。
This paper deducts the piezo-constant expression of 0-3 type connectivity according to the basic definition of piezoelectricity, and amends the flaw of T.
本文从压电学的基本定义出发，推导出两相系0—3型连通性复合压电材料的压电应变常数表达式，进一步修正了T。
This paper deducts the piezo-constant expression of 0-3 type connectivity according to the basic definition of piezoelectricity, and amends the flaw of T.
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