切丛是微分几何中最重要的概念之一,与之对偶的概念是余切丛。很多重要的几何性质都和切丛及余切从有关。它是研究微分几何的重要工具。
数学上,一个 微分流形'的 切丛(tangent bundle) '(')是一个由'各点上 切空间组成的 向量丛,其总空间是各切空间的 不交并集: :
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本文提出了一种基于切丛的维数约简方法。
In this paper, we propose a dimension reduction method based on the tangent bundle.
现在太阳爬上了上坡,发出那种不寻常的灼烧过的赭色,每棵树和每丛灌木都被昨夜的雨洗刷得晶晶亮,一切都喷涌着快乐。
Now the sun was on the hills with that extraordinary colour of burnt-sienna, and every tree and every bush was sparkling washed clean by last night's rain, and everything was bursting with joy.
最近的猎人转向他,比他希望的更快——用它锋利的两吨重的护盾边缘切向库尔特的腹部神经丛。
The nearest Hunter turned on him faster than he expected - slicing its two-ton shield into Kurt's solar plexus.
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