石燕 meaning in Chinese
fossilia spiriferis
yan shi
Examples
- Artist name : sat , yin
艺人名称:石燕 - Female artist sat , yin
女艺人石燕 - The region is rich in rare birds and animals . among the 138 species of birds and beasts know here , over 20 are under national protection
井网山的游览胜地则有茨坪、龙潭、黄洋界、笔架山、五指峰、石燕洞等。 - The hunan tiger and tragopan are on the brink of extinction , and elaphodus caphalophus and river deer are rare animals unique to jinggangshan
井冈山的游览胜地则有茨坪、龙潭、黄洋界、笔架山、五指峰、石燕洞等。 - It satisfies the requirements of china standard ( gb / t 14549 - 93 ) , the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation . this thesis mainly analyzes the effects on the electric elements , feeding system losses , protection system and automatic device , and proposes corresponding schemes according to the problems occurring in si yan qiao substation
本文实测了泸州石燕桥变电站电气化铁路牵引负荷注入电网的谐波和负序分量，着重分析了电力系统中电气设备、供电网线损、继电保护和自动装置受电气化铁路谐波和负序的影响，并针对石燕桥变电站出现的问题提出了对策。