“crescent beam”的概念、定义、翻译、参考文献-科学参考

单词	crescent beam
释义	crescent beam Encyclopedia 理学用梁制度释 crescent beam月梁木结构建筑中一种梁面呈弧形，梁底略上弯的梁。又称虹梁。
随便看	pentagonal pyramidal number pentagonal rotunda pentagonal square number pentagonal square triangular number pentagonal symmetry pentagonal trapezohedron Pentagon Papers case pentagon tiling pentagon triangle picking Pentagram pentagram pentagrammic pentagrammic antiprism pentagrammic prism pentagrammic pyramid pentagram theorem pentahedral pentahedral graph pentahedroid pentahedron pentakaidecagon pentalpha pentamagic square pentamethide pentamethylcyclopentadienyl

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。