“大开孔”的概念、定义、翻译、参考文献-科学参考

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。

单词	大开孔
释义	大开孔 large opening
随便看	density gradient density gradient centrifugation density gradient column density imbalance density impulse density-independent factor density index density indicating meter density indicator density interferometer density latitude density level density log density logger density matrix density measuring instrument density meter density-modulated beam density modulation density of charging current density of coal seam density of coal zone density of cover density of crop density of distribution