两个源的位相差随时间逐渐移动。
The phase difference between the two sources is gradually drifting with time.
我们两人的社会地位相差太悬殊了。
不同的位相差可能会出现相反情况，降低材料的吸收。
A different phase shift does just the opposite, reducing the absorption of the material.
本文介绍了位相差放大基本原理和研究进展。
The principle and development for phase difference amplification is presented in this paper.
提出了晶体锥光干涉中两相干光的位相差和振幅的计算方法。
Calculation method about phase difference and amplitude in interference pattern of convergent light has been proposed.
两次利用其高阶衍射可获得大于100倍的低噪声位相差放大。
Using the high degree diffracted waves twice, we have obtained lower noise phase difference amplification of over 100 times.
从这一导出过程可以清楚地看出高斯束相干场附加位相差的成因及其物理意义。
From the derivation, cause and physical significance of the extra phase difference of the coherent field of Gaussian beams can clearly be seen.
两年周期的太平洋海温振荡使日食与厄尔尼诺之间存在12 ~ 24个月的位相差。
Biennial oscillation of the temperature in Pacific Ocean caused the 12 months24 months difference of phase between solar eclipse and El Nino.
实桥的斜拉索表面形成的水线位置沿索轴向有可能不均一，各部分水线的摆动可能存在位相差。
For real cables in rain-wind weather, it is likely that water rivulet is non-uniform along cable axis and the phase lag between each part of rivulet movement will be incurred.
而另一方面，现有的有关优化信号位相差的理论方法都是确定性的，通常忽略了车流的随机变动。
On the other hand, most of existing theoretical methodologies for optimizing the signal offset are deterministic in nature, which ignore the stochastic variations of vehicles.
进一步论证了光的色散对于这种传感头造成的位相差是非常小的，对测量影响可以忽略，因而该方案具有实用价值。
It is demonstrated that the phase discrepancy caused by optical dispersion of this new kind sensor head is very small and its influence on measurement can be ignored, showing practical significance.
该技术通过平移实物参考面，测得其上位相分布，利用其位移距离与位相增量之间的关系，以最小二乘方法计算位相差与物面深度之间的映射关系。
According to the shifted distance and the phase increment, the mapping relationship between phase difference and depth of object can be determined by a least squares method.
该技术通过平移实物参考面，测得其上位相分布，利用其位移距离与位相增量之间的关系，以最小二乘方法计算位相差与物面深度之间的映射关系。
According to the shifted distance and the phase increment, the mapping relationship between phase difference and depth of object can be determined by a least squares method.
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