观测镜 meaning in Chinese

o ervation mirror
observation mirror
spotting scope
surveillance mirror
viewing mirror

Specification for classification and marking of single - lens scopes for use with archery bows
射箭弓用单镜头观测镜分类和标记规范
If we were concerned about her , we would have insisted on staying with her , watched her through the glass window , or even carve a hole in the roof just to be able to see her
如果真的担心就一定会尽力争取，透过玻璃观测镜或甚至爬到屋顶上挖个洞，只要能看到师父确定师父安好才能放心！