Existing biped robots mainly fall into two categories: robots with left and right feet and robots with upper and lower feet. The load carrying capability of a b
菲利普·罗斯是美国当今文坛上的一位非常重要的作家,自1959年第一部小说《再见,哥伦布》问世成名以来,一直保持着旺盛的创作力,至今已写有将近三十部小说、短篇故事以及散文集,赢
The aerodynamic braking is a clean and non-adhesion braking, and can be used to provide extra braking force during high-speed emergency braking. The research of
Expandable profile liner(EPL) is a promising new oil well casing cementing technique, and welding is a major EPLs connection technology. Connection of EPL is st
本文结合中国近年来经济发展规律,采用1994年至2016年我国居民消费和储蓄以及保险行业等方面的数据,对我国居民的经济行为方式和保险行业发展的关系进行分析.结果表明我国居
The existing research of the integrated chassis control mainly focuses on the different evaluation indexes and control strategy. Among the different evaluation
The existing investigations on thermal comfort mostly focus on the thermal environment conditions, especially of the air-flow field and the temperature distribu
圈层结构理论是于19世纪20年代由德国农业经济学家冯· 杜能提出,主张城市是区域经济发展的中心,起着领导作用和示范作用,各种生活方式和发展方式由城市逐步发展到郊外并带动