“double sampling for stratification”的概念、定义、翻译、参考文献-科学参考

单词	double sampling for stratification
释义	double sampling for stratification 分层的双重抽样分层双重抽样
随便看	injection port injection pressure injection process injection project injection pump injection pump assembly injection pump barrel injection pump housing injection pump plunger injection pump stroke injection quadrant injection ram injection rate injection ratio injection regime injection revolution frequency injection rinsing machine injection scheme injection schlieren injection semiconductor laser injection site injection source injection splicer injection spray pipe injection starter

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。