Immediate-Link490
The \(n\)-dimensional hyperbolic space \(\mathbb{H}^n\) is the unique (up to isometry) simply connected, complete Riemannian manifold of constant sectional curvature \(K = -1\).
，详情可参考新收录的资料
}Using the ? operator for concise error propagation:
“她经济”这个曾经铁板一块的模糊市场，正在走向一个人以群分、需求交叠的新世界，由此分化为三类典型的品牌，它们集合了女性消费的大多数目光和生意。
^ See generally James Goudkamp, Insanity as a Tort Defence, 31 Oxford J. Legal Stud. 727 (2011) (arguing for an affirmative insanity defense in tort law).