超低膨胀
ultralow-thermal expansion
通货膨胀膨胀调整系数
automatic direction finding equipment
多分辨率望远镜搜索
multi-resolution telescopic search
多镜望远镜
multiple mirror telescope
分节镜望远镜
segmented mirror telescope
超大型望远镜
extremely large telescope
低(超低)碳钢
low (ultra-low) carbon steel