“quadratic equation”的概念、定义、翻译、参考文献-科学参考

单词	quadratic equation
释义	quadratic equation [kwä`drad·ik i`kwā·zhǝn] ^MATHEMATICS Any second-degree polynomial equation.
随便看	ball-and-socket joint ball-and-trunnion joint ballas ballast ballast factor ballast lamp ballast leg ballast line ballast movement ballast passage ballast pump ballast reactor ballast resistor ballast tank ballast tube ball bearing ball-bearing hinge ball-bearing pulverizer ball bonding ball breaker ball burnishing ball bushing ball catch ball check valve ball clay

科学参考收录了103327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。