“direct method of variation”的概念、定义、翻译、参考文献-科学参考

单词	direct method of variation
释义	direct method of variation Mathematics ＞偏微分方程＞椭圆型方程＞释义 direct method of variation变分的直接方法
随便看	decay phase decay probability decay process decay product decay rate decay scheme decay series decay time decay width DECCA navigation system Deccan Plateau deceased deceleration deceleration energy deceleration parameter deceleration period deceleration radiation decelerative decelerator decelerometer decelostat December Solstice December solstice Decembrists’Uprising decentered-image

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。