“grade”概念、定义、翻译-科学时代

单词	grade
释义	地理学词汇手册 grade 坡度；（矿床的）品位
随便看	price discretion price discrimination price discrimination price discrimination price discrimination price discrimination price discrimination price discrimination price discrimination price dissemination price duty paid price duty paid price duty paid price/earning ratio (P/E ratio) price-earnings multiple price-earnings multiple price-earnings multiple--price-earnings multiple（P/E multiple） price-earnings multiple（P/E multiple） price-earnings ratio price-earnings ratio price earnings ratio price-earnings ratio price-earnings ratio price-earnings ratio price-earnings ratio (PER)

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。