Maxwell showed that light was a vibration in the electromagnetic field, and that it travelled at a constant speed, c, in a vacuum.
马克思·威尔指出光是种电磁波,其在真空中的传播速度是个常数c。
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.
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。
Constructed a control system of the electric stove with constant flow based on EPEC 3g microprocessor for the electric stove in the electromagnetic roll-casting system.
针对电磁铸轧系统中的电加热炉,采用了EPEC3g系列微处理器建立了电加热炉恒流量控制系统。
This paper presents imbedding the Digital control-Constant current, it enable applied at control of electromagnetic switch, and Double modes-control was designed in it.
介绍一种针对工企业应用中电磁阀门开启度大小,而设计的具有手动与自动两种控制方式的,内嵌式数控恒流源电路。
The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the ferrites.
并测试样品的相对介电常数和相对磁导率,研究了它们的电磁损耗特性。
The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the above three ferrites.
经测试样品的相对介电常数和相对磁导率后,研究了它们的电磁损耗特性。
Based on the electromagnetic scattering theory of dielectric wire and effective medium theory, the formula of the effective dielectric constant of metal wire-dielectric composites is derived.
基于介质圆柱电磁散射理论和等效介质理论,导出了金属柱微粒-电介质复合材料的等效相对介电常数的表达式。
Flux linkage equation is constituted, the electromagnetic transient of voltage equation with constant speed is gained.
建立了磁链方程,得到了转速为常值时电压方程的电磁瞬态解。
As an example, the operation frequency of TT&C and data transmission(TTC&DT) and the attenuation constant of electromagnetic wave through the blackout zone are estimated.
作为一次练习,估算了测控通信系统的工作频率、电波穿过“黑障”区的衰减常数;
And in electromagnetic theory the dielectric of sea water is not constant. After the reflection from ocean surfaces, the amplitude and phase of radio wave can be both changed.
电磁理论上,海水是非均匀的导电媒质,经海面反射后的电波其幅度和相位均会发生变化。
Electromagnetic stylus force adjustment mechanism to ensure stylus force is constant irrespective of the vertical position of the stylus.
电磁探针压力调整系统,不管探针在何垂直位置都可保证探针压力不变。
With constant limited force and energy, and let in the electromagnetic wave of than light material volume, quality of material more small, the speed is faster than the speed.
以恒定有限的力与能量,任凭于比光的电磁波物质体积、质量更小的物质,则其速度就是超光速的。
Based on the classical electromagnetic theory of Maxwell, the expression of the relative dielectric constant and relative magnetic permeability is deduced also;
同时从经典麦克斯韦电磁场理论出发,推导出复相对介电系数和复相对导磁率的表达式;
Based on the expounding of the prediction theory for storage life of electromagnetic relays, the constant stress accelerated life test was introduced.
在阐述电磁继电器贮存寿命预测理论的基础上,选择了采用恒定应力加速寿命试验方法对电磁继电器进行试验及寿命预测。
The important parameters for the wave absorption effects are electromagnetic loss factor, complex dielectric constant, complex magnetic conductivity.
评价吸波效能的主要参数是损耗因子、复介电常数、复磁导率。
An electromagnetic servo-control maintains the beam at constant position and provides the imbalance reading.
电磁式伺服操纵维护射线在恒定的位置和提供不平衡状态读。
An electromagnetic servo-control maintains the beam at constant position and provides the imbalance reading.
电磁式伺服操纵维护射线在恒定的位置和提供不平衡状态读。
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