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30,564 so'm
Color
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If we are 45 days late, you will receive your order for free. More details
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About the product
Characteristic
Plastic, wooden, other accessories
Category sub-items and Product Description
KXPZ084
OKOK
Youth (15-35 years old)
Yes
Other
Yes
Yes
Export
No
No
Intellectual development
No
Physics
Yes (this product is only for foreign trade purposes and may not meet the domestic product standards. Please purchase with caution from domestic buyers)
No
Description
手动拼装教具系列均不送电池!!!电池自备!!!谢谢!!!
莫比乌斯带是一种拓扑图形,它们在图形被弯曲、拉大、缩小或任意的变形下保持不变,只要在变形过程中不使原来不同的点重合为同一个点,又不产生新点。换句话说,这种变换的条件是:在原来图形的点与变换了图形的点之间存在着一一对应的关系,并且邻近的点还是邻近的点。这样的变换叫做拓扑变换。拓扑有一个形象说法——橡皮几何学。因为如果图形都是用橡皮做成的,就能把许多图形进行拓扑变换。
Characters
Plastic, wooden, other accessories
Category sub-items and Product Description
KXPZ084
OKOK
Description
手动拼装教具系列均不送电池!!!电池自备!!!谢谢!!!
莫比乌斯带是一种拓扑图形,它们在图形被弯曲、拉大、缩小或任意的变形下保持不变,只要在变形过程中不使原来不同的点重合为同一个点,又不产生新点。换句话说,这种变换的条件是:在原来图形的点与变换了图形的点之间存在着一一对应的关系,并且邻近的点还是邻近的点。这样的变换叫做拓扑变换。拓扑有一个形象说法——橡皮几何学。因为如果图形都是用橡皮做成的,就能把许多图形进行拓扑变换。