“四球试验机”的概念、定义、翻译、参考文献-科学参考

单词	四球试验机
释义	四球试验机 Encyclopedia 工学摩擦学试验释 four-ball test machine四球试验机以一个钢球在压力作用下，相对三个同尺寸水平固定钢球旋转摩擦的摩擦试验机。简称四球机。
随便看	quadrate muscle quadrate tubercle quadratic quadratic algebra quadratically convergent method quadratically integrable function quadratically summable function quadratic analysis quadratic approximation quadratic approximation method quadratic assignment problem quadratic characteristic quadratic class-number constant quadratic collision probability method quadratic complex quadratic component quadratic cone quadratic congruence quadratic congruence equation quadratic convergence quadratic convergence rate quadratic covariation process quadratic-covariation process quadratic criterion quadratic curve

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。