When the delay composition is moisture absorption, the coherence of the pressing delay composition become good, it enhance the crushability intensity and the resist impact capability.
当延期药吸湿后压药时，其压药的一致性变好，提高了延期药的压碎强度和抗冲击性能。
Compared with three-level atomic system, the atomic coherence effects in four-level can lead to EIT and EIA, which depend on the intensity of control light and the relaxation of the fourth level.
与三能级原子系统相比，四能级原子相干效应即可导致电磁感应透明的产生，也可产生电磁感应吸收现象，取决于控制光的强度和第四个能级衰变率的大小。
The results show that logarithmic light intensity fluctuation variance will be less when light source coherence becomes worse, i. e. it becomes into partially coherent light.
其结果表明，当光源的相干性变差，即变为部分相干光后，对数光强起伏方差变小；
应用推荐