“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	ecological liberty ecologically sensitive area ecologically unequal trade ecologically vulnerable zone ecological man ecological management ecological Marxism ecological meteorological disaster ecological migration ecological model ecological monitoring ecological niche ecological niche evaluation ecological niche modeling ecological occupation-compensation balance ecological operation ecological perspective of learning ecological planning ecological port construction ecological potential ecological process ecological productivity of grassland ecological protection engineering ecological protection of the Sanjiangyuan areas ecological protection red line

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。