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y-axis
Babylon English Chinese (S) dictionaryDownload this dictionary
y-axis
Y轴, 纵坐标

Wikipedia 维基中文 免费百科全书Download this dictionary
笛卡儿坐标系
笛卡儿坐标系，（）也称直角坐标系，是由法國數學家笛卡儿所創建的。他的工作結合代數與解析幾何。以三維為例，如下圖所示：

圖中的任何一點位置，都對應唯一的座標值，如原點為(0, 0, 0)，P點是(5, 0, 2)而Q點是(-5, -5 10)。

平面直角坐标系是由两条相互垂直、原点重合的数轴构成的，坐标平面内点的坐标是根据数轴上点的坐标定义的，平面内点与坐标的对应关系类似于数轴上点与坐标的对应关系等．


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本文章的材料选自维基百科(R), 并有 GNU 免费文件许
Fundset Deutsch2Chinese(S)Download this dictionary
Y-Achse
[die] [数] Y轴，纵坐标轴
Y-axis

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