“problem file”的概念、定义、翻译、参考文献-科学参考

单词	problem file
释义	problem file 题目文件
随便看	pigmentation of nipple and areola pigment binding capacity pigment body pigment bordeaux pigment brown pigment carrier pigment cell pigment cell of choroid pigment cell of skin pigment chrome yellow pigment coloration pigment colour pigment dyeing pigment dyes pigmented pigmented compound pigmented glass pigmented layer pigmented line pigmented liver pigmented nevus pigmented nevus of ear pigmented nevus of penis pigmented nevus of pharynx pigmented purpuric eruption

科学参考收录了1248194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。