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freeCodeCamp
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610c4303c1
freeCodeCamp
/
guide
/
chinese
/
mathematics
/
geometry
/
shapes
/
index.md
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title
localeTitle
Shapes
形状
几何标准图包括由线形成的形状。结束点称为顶点
,
三角形表示3
,
正方形表示其中4个。在3个维度中
,
您可以使用平行六面体
,
球体或锥体