“ruling pen”的概念、定义、翻译、参考文献-科学参考

单词	ruling pen
释义	ruling pen [`rül·iŋ ´pen] ^{GRAPHIC ARTS} A drafter's pen that has two adjustable pointed blades between which ink is contained.
随便看	think time thin-layer chromatography thin lens thin list thinner Thinocoridae thin-out thin-plate orifice thin section thin-skinned structure thio- thioacetamide thioacetic acid thioaldehyde Thiobacteriaceae thiobarbiturate thiobarbituric acid thiocarbamazine thiocarbamide thiocarbanilide thiocarbarsone thiocresol thiocyanate thiocyanic acid thiocyanide

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。