The cardinal point and cardinal plane play an important role in the geometrical optics and are widely used in modern photography and video technology.
透镜组的基点、基面在几何光学中占有重要的地位，并在现代摄影、摄象技术中得到了广泛应用。
Cardinal DE Bricassart chartered a private plane to Athens.
德？布里卡撒特红衣大主教获得特许乘坐一架私人飞机去雅典。
Cardinal DE Bricassart chartered a private plane to Athens.
德？布里卡撒特红衣大主教获得特许乘坐一架私人飞机去雅典。
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