查询词典 constructive ordinal number

Because different colors have different wavelengths, the interference may be constructive for some colors and destructive for others; hence the appearance of colored rings or fringes.

因为不同的颜色具有不同的波长，对有些光可能是干涉加强的对另一些有可能是减弱的，因而形成了彩色的圈或是条纹。

Since these two electric fields must be in phase at point P for constructive interference to occur, the arguments of the sine functions must be equal.

由于两个电场在P点必须同相以获得相干，这两个正弦函数必须相等。

In order to achieve this constructive interference at Point P, the energy arriving from all radiating sources must be in phase and arrive at the same time.

为了到达P点时能够相干，从各单元辐射的能量必须同时同相到达。

The constructive or destructive spectral interference between the molecular groups oriented up and down at the interface in the Sum-Frequency Generation spectra provides a direct measurement of the absolute orientation of these molecular groups.

和频振动光谱研究中由基团在界面上取向所引起的光谱增强或相消的干涉现象为研究分子在界面上的绝对取向提供了一种直接的测量方法。

The coherence and constructive interference with a widely-separated doublet viacollision-aided radiative excitation in an open four-level system is studied with thedensity matrix approach for the first time.

运用半经典理论首次研究了一个开放四能级系统中基于碰撞感应激发而产生的间距较大双能级间的相干及量子干涉效应。

In this thesis,we try to theoretically and experimentally investigate quantuminterference in atomic multi-level system and atom-molecule hybrid system to findthe conditions for generating quantum interference,the constructive or destructivefeature of interference,and the dependence of quantum interference on theenvironmental conditions.

本文旨在从理论和实验两方面对以往较少涉及的原子及原子—分子混合体系中多能级系统量子干涉效应进行研究，并着重探索量子干涉产生的条件、干涉相长或相消特性及其对外界条件的依赖关系等。

The competition between constructive interference and stimulated electronicRaman scattering via equal-frequency hybrid excitation in a Na2-Na system isexperimentally observed for the first time.

在基于等频混合激发而产生受激电子喇曼散射的实验中，首次观察到相干相长与受激电子喇曼散射之间的竞争效应。

The shaped pulses were shown to be phase-sensitive at intensities too low to access different higher electronic states, and so these pulses apparently steer the isomerization through constructive and destructive interference effects, a mechanism supported by observed signatures of vibrational coherence.

脉冲形状被证明是在太低以至于不能进入不同的较高电子态的强度上对相位变化灵敏的，因此这些脉冲机制通过构成和破坏干扰反应操纵着异构化作用，这种机制由观测到的相干信号支持。

In order to establish the boundary conditions to the equations, we have taken into consideration the fact that a constructive interference at the coupler assures that the laser radiations from both constituent lasers be directed to the coupler output port to which a reflection mirror, defining both laser cavities and executing the mutual injection between two lasers, is attached.

考虑到设置在光纤耦合器的一个输出端口的公共反射镜还担负着实施两个激光器间的相互注入的功能，利用光纤耦合器的变换矩阵以及光场相干叠加的要求，可以确定激光器速率方程组满足的边界条件。

Figure 7-3a depicts the phase shift necessary to create constructive interference along a line joining an arbitrary point P with the center of the array.

图7-3a描述了通过相干使合成波束沿空间任意点P和阵列中心连线所需的移相。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。