泛函分析专业英语词汇翻译 ... 投影柱 projecting cylinder 射影[图]形 projecting figure 投射线 projecting line ...
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本文列举了一维基本形间射影对应的各种定义，并证明了它们之间的等价性。
The article lists four kinds of definitions of projective correspondences in one-dimensional basic figures, and proves that those are equivalent.
本文用射影观点考察三角形的“五心”定理，通过配极变换推出五个新的命题。
The author of the essay studies the transmutation of the triangular theorem of "Five Centers" theorem from the projective viewpoint and puts forward five thoughtful propositions through polarization.
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