“必要性”的概念、定义、翻译、参考文献-科学参考

单词	必要性
释义	必要性 necessity
随便看	screening smoke screening specification screenings pulp screenings refiner screenings wrapping screening system screening tank screen(ing) test screening test screening washer screening wire screen intensity screen-line count screen lock screen luminance screen machine screen memory screen mesh screen method screen modulation screen opening screeno used in chemical processing screen panel screen persistance screen persistence

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。