词汇	ray tracing apparatus
释义	ray tracing apparatus 光线踪迹器
随便看	central gelatinous substance central generating set hydraulic power system Central German Central Germany Central Germany Gee Chain Central Giant Cell Granuloma central giant cell reparative granuloma central giant cell reparative granuloma of jaw central giant nucleus Centralgil centralgin central glare central goal centralgol central gold reserve central goverment central government central-government central government and local government central government and local governments central government and provincial government central government bond central government borrowing requirement central government budget central government budgetary investment