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单词 θ78526
释义
the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [noun] > oscilloscope > electrode in (2)
X-plate1934

In Algebra and Higher Mathematics used as the symbol for an unknown or variable quantity (or for the first of such quantities, the others being…

Y-plate1946

Mathematics. Used to denote the second of a set of unknown or variable quantities (the first being denoted by x); spec. in Geometry, the symbol…

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更新时间:2025/3/5 2:25:04