请输入您要查询的字词:
单词
达·芬奇摩擦实验
释义
达·芬奇摩擦实验
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
instruments
instruments display system
instruments for density measurements
instruments for engineering survey
instruments for solar observations
instruments for stage measurement
instruments from the Han dynasty's Tomb at Mawangdui
Instruments from the Western Regions
instrument shelter
instruments in industry
instruments of physical optics
instruments of regional policy
Instrument Technique and Sensor
instrument transformer
instrument voltage transformer
insubmersibility
Insubric Line
insuccation
insufficiency
insufficiency of body fluids and blood stasis
insufficiency of kidney essence
insufficiency of seven and tonification of eight
insufficient communication of doctor and patient
insufficient growth
insufficient stretching
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/11 22:04:09