投射性projectiveradiography: 投影射線透照術(shù)projectively identical: 射影地恒等射影不變性原理projectivity: 射影對(duì)應(yīng),射影; 射影關(guān)系; 投射傾向; 直射projectively flat space: 射影平坦空間projectized: 項(xiàng)目化下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯