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VISUAL STUDY AID ON DESCRIPTIVE GEOMETRY
VISUAL STUDY AID ON DESCRIPTIVE GEOMETRY
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机译:描述性几何的视觉研究辅助
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the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to demonstration instrument for u043du0430u0447u0435u0440u0442u0430u0442u0435u043bu044cu043du043eu0439 geometry and u043fu043eu0437u0432u043eu043bu00a0u0435u0442 increase u043du0430u0433u043bu00a0u0434u043du043eu0441u0442u044c by simultaneously winding u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 lini and in the space and in the figure.as a result u043fu0435u0440u0435u043cu0435u0449u0435u043du0438u00a0 space vessel 6 filled with u043fu043eu0434u043au0440u0430u0448u0435u043du043du043eu0439 fluid u043fu043eu0441u043bu0435u0434u043du00a0u00a0 u043fu043eu0434u043du0438u043cu0430u00a0u0441u044c or u043eu043fu0443u0441u043au0430u00a0u0441u044c through transparent tubes (3, 5, one of kotor s u00a0u0432u043bu00a0u0435u0442u0441u00a0 scan... spiral line, and u0434u0440u0443u0433u0430u00a0 u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a u0432u0438u043du0442u043eu0432u0443u044e line u043eu0433u0438u0431u0430u044eu0449u0443u044e transparent cylinder 2 as u0441u043eu043eu0431u0449u0430u044eu0449u0438u043cu0441u00a0 receptaclesat the same time and demonstrates the phased education spiral lines in space and on the drawing. 2).
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