The zinc coating at the outside of the bent or formed section is visible at 25 powermagnification.
或成型区在25 倍放大时可看见镀锌层片状材料脱落或裂化，认为锌镀层已损坏。
2
Under high powermagnification with reflected light, it can be seen that different minerals in jadeite jade and related jades differ in luster.
在高倍显微镜下使用反射光照明观察玉石的表面，会发现组成玉石的矿物的光泽不同。
3
The desirable scheme of capacitor placement in distribution systems aims at achieving voltage regulation and power loss reduction, while preventing harmonic resonance or magnification.