“trigonal”概念、定义、翻译-科学时代

单词	trigonal
释义	电子通信与自动控制技术词汇手册 trigonal 三角的，三角形的
随便看	concave function concave grating concave grating concave-grating spectrograph concave holographic grating concave lens concave lens concave milling cutter concave mirror concave mirror concave mirror concave mirror concave operator concave polygon concave polygon concave polyhedron concave programming concave relief concave scraper concave slope concave slope concave upward concave up（ward） concavity concavity

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

trigonal