“complexion without repetitions”的概念、定义、翻译、参考文献-科学参考

单词	complexion without repetitions
释义	complexion without repetitions Mathematics complexion without repetitions无重复组合
随便看	pro-poor growth pro-poor tourism proportion proportional proportional allocation proportional compasses proportional constant proportional control proportional counter proportional counting proportional counting tube proportional dividers proportional division proportional expression proportional guidance method proportional hazard model proportional hazard regression model proportional hazards model proportional-integral-derivative control proportional integral derivative controller proportional-integral-derivative controller proportional integral derivative regulator proportional integral derivative regulatory systems proportional integral regulator proportional-integral regulatory systems

科学参考收录了854744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。