如题 11111：）每人交出你存的一张梗图我先来 <a class="lightbox" href="https://files.rdfzer.com/original/2X/5/590695837d043f73b879cbf99975502e66274091.jpeg" data-download-href="/uploads/short-url/cHyBgEgr4h7aDQYw5kdXJorkthL.jpeg?dl=1" title="The image uses drawings of a poisonous frog and a venomous snake to illustrate the difference between the two, showing that something is poisonous if you eat it and die, and venomous if it bites you and you die. (Captioned by AI)" rel="noopener nofollow ugc">[The image uses drawings of a poisonous frog and a venomous snake to illustrate the difference between the two, showing that something is poisonous if you eat it and die, and venomous if it bites you and you die. (Captioned by AI)] <a class="lightbox" href="https://files.rdfzer.com/original/2X/f/fb76c8aa89399177f154072ad99a0d79708c93cd.jpeg" data-download-href="/uploads/short-url/zSykYthYr03YhaPXWV3oRARoPnv.jpeg?dl=1" title="The image is a chemistry joke where the chemical formula for table salt (NaCl) is placed above the chemical formula for sodium hydroxide (NaOH), a base, with the caption "The base is under a salt!". (Captioned by AI)" rel="noopener nofollow ugc">[The image is a chemistry joke wher…

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现实中自然状态未经人类、动物加工的香蕉呈弯曲形状，横截面近似圆形且沿长度方向变化，整体为凸曲面，无平坦部分；为简化考虑忽略香蕉粗糙表面，将香蕉建模为光滑紧致曲面 S \subset \mathbb{R}^3 ，令其严格凸，且香蕉表面是至少 C^2 光滑的曲面。对于正高斯曲率曲面 S 上的任意一点 p \in S ，曲面在 p 处的两个主曲率 \kappa_1, \kappa_2 同号（均正或均负），且不为零。因此在任意切方向 v \in T_p S 上，法曲率 \kappa_n(v) 满足 \kappa_n(v) \neq 0 。因为法曲率是主曲率的凸组合，且主曲率非…

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大食怎么你了？为了突出殖人的特性，应该写街边卖肘子。

@LeenXu 禁止在suen吧里刨食

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1111 December 29, 2025, 6:06am 831

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Periodic report using AI

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