3. 数学之美：参数化几何体与克莱因瓶
这是最基础的构建模块。BoxGeometry 就像捏泥人时的方块，SphereGeometry 则是球体。注意 widthSegments 参数，它决定了球体的精细度——段数越多，球越圆，但计算量也越大。
。关于这个话题，Line官方版本下载提供了深入分析
3014223210http://paper.people.com.cn/rmrb/pc/content/202602/26/content_30142232.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/26/content_30142232.html11921 实干担当 为民造福
At a news briefing on Friday, NASA administrator Jared Isaacman described a vast overhaul to the moon-to-Mars program. The changes scrap the Artemis III lunar landing and instead make it a flight in low-Earth orbit for a crew to practice meeting up with either the SpaceX or Blue Origin-built lunar landers — or, perhaps, both.
13:29, 27 февраля 2026Россия