投影
to project; a projection
投影几何
projective geometry; same as 射影幾何|射影几何
投影几何学
projective geometry; same as 射影幾何學|射影几何学
投影线
line of project; projection line
投影面
plane of projection (in perspective drawing)
投硬币
coin-operated; to insert a coin
小葵花凤头鹦鹉
(bird species of China) yellow-crested cockatoo (Cacatua sulphurea)
灰头鹦鹉
(bird species of China) grey-headed parakeet (Psittacula finschii)
白头硬尾鸭
(bird species of China) white-headed duck (Oxyura leucocephala)
花头鹦鹉
(bird species of China) blossom-headed parakeet (Psittacula roseata)
青头鹦鹉
(bird species of China) slaty-headed parakeet (Psittacula himalayana)
凤头鹰雕
(bird species of China) crested hawk-eagle (Nisaetus cirrhatus)