The relationship between stabilizing linewidth and overexposure theory is also discussed.此外,还探讨了过曝光理论与稳定线宽的相互关系.A high Er ~ ( 3 + ) - doped narrow linewidth fiber laser based on fiber Bragg grating ( FBG ) Fabry - Perot ...
A gust of wind pried loose a section of sheet-metal roofing.一阵狂风把铺在屋顶上的一块金属片掀起来了。Stone began to be used as a roofing material.石料开始被用作盖屋顶的材料。The roofing slates were laid to overlap each other.石板屋瓦是相叠着放置的....