“pencil”的概念、定义、翻译、参考文献-科学参考

单词	pencil
释义	pencil [`pen·sǝl] ^ENGINEERING An implement for writing or making marks with a solid substance; the three basic kinds are graphite, carbon, and colored. ^MATHEMATICS A family of geometric objects which share a common property. ^OPTICS A bundle of rays that emanate from or converge to a common point.
随便看	blinker light blinking blink microscope blip blip-scan ratio blister blister blight blister canker blister copper blister furnace blister gas blister hypothesis blistering blister rust blister spot blister steel blizzard BL Lacertae objects bloat blob Bloch equations Bloch function Bloch theorem Bloch wall block

科学参考收录了103327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。