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This paper presents a method for finding the solution of coordinate transformation based on space ve
中文解释
本文中利用空间坐标和空间向量把立体几何中的“三垂线定理”推广到空间解析几何中,并证明。
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elves
beamier
beady
butterfly fish
accident of the ground
white goods
miss dreadfully
jump into the river
fair grade
remember gratefully