“Leonardo da Vinci friction experiments”的概念、定义、翻译、参考文献-科学参考

单词	Leonardo da Vinci friction experiments
释义	Leonardo da Vinci friction experiments Encyclopedia 工学摩擦释 Leonardo da Vinci friction experiments达·芬奇摩擦实验达·芬奇发明了几种不同装置，用来测试木材间的滑动摩擦和滚动摩擦特性，发现当木块M的重量加倍时用绳索拖动木块M向左滑动所需要的重物F的重量也加倍，重物F的重量是木块重量的四分之一，是一个常数，而且与木块横竖放置（即改变与台面的接触面积）无关的实验。
随便看	The ZhongYi Association which was formed to protect civilian against the invader The Zhouyuexing Manuscript of a Record of Operas Played in the Collective Rituals to Greet the Gods The Zimbabwe International Book Fair The Zoo Story the zun (wine vessel) and dish of Marquis Yi of Zeng The Sciences of the Artificial the ‘foreign garbage ’case of Pinggu The “End” of Art The “Harmony” Character of Chinese Classical Dance The “Lucy Poems” THF THFA THG THGA T. H. Gronwall T. H. Gronwall (1877—1932) THI thiabendazole thiacloprid thiacrown ether thiacyclobutane thiacyclobutane; thietane thiacyclobutanone thiacyclobutene thiacyclobutene; thiete

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。