... projective collineation 射影直射变换 projective cone 射影锥 projective conic 射影圆锥曲线 ...
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... projecting conduit 凸埋式管道 projecting cone 射影锥 projecting coping 挑出的压顶 ...
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短语
射影圆锥曲线
[数]
projective conic
真圆锥射影
[数]
true conic projection
锥顶射影
[测]
conical projection
-
projective cone
projection cone
projecting cone
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