“variance of ratio estimate”的概念、定义、翻译、参考文献-科学参考

单词	variance of ratio estimate
释义	variance of ratio estimate 比率估计值的方差
随便看	gas propellant rocket gas proportional counter gas proportional scintillation counter gas propulsive gas protection equipment gas protective clothing gas pulsation gas pulse frequency gas-pulverized coal fired boiler gas pump gas pump cycle gas pump meter gas purge gas purger gas purge system gas purging gas purification gas purification tower gas purification train gas-purifier gas purifier gas purifying gas purifying installation gas quenching gas radiation

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。