短語(yǔ)詞組短語(yǔ)Projection coordinate system 投影坐標(biāo)系統(tǒng);投影坐標(biāo)系projection optical system 投影光學(xué)系統(tǒng)digital projection display system 數(shù)字投影顯示系統(tǒng)projection communication system [通信]投影通信系統(tǒng)projection optics system [光]投射光學(xué)系統(tǒng)projection display system 投影顯示系統(tǒng)three projection plane system 三投影麪躰系projection coordinates system 射影坐標(biāo)系Unified projection coordinate system 統(tǒng)一投影坐標(biāo)系模型 返回 projection system