In this paper, the dynamic behaviours of polymer-cement composite material are investigated, including the dynamic rigidity, internal frication and ratio of elastic energy to unelastic energy in hysteresis loop under vibration, the stress wave propagation and attenuation in this material, the impact toughness and abrasiveness.

本文研究了聚合物水泥復(fù)合材料的動(dòng)力性能欧美熟妇性生活，其中包括動(dòng)力剛度人人操人人爱人人摸人人看、振動(dòng)狀態(tài)下的內(nèi)耗及振動(dòng)滯后曲線中的彈性與非彈性應(yīng)變能之比欧美成年男女免费性爱视频、應(yīng)力波的傳播與衰耗无码窝导航凹凸导航、沖擊韌性和耐磨硬度等麻豆91。

A new method for adaptive identification and compensation of frication based on the matching pursuit method was presented.

提出一種基于匹配追隨算法的摩擦力自適應(yīng)辨識(shí)與補(bǔ)償新方法黄色的网站免费观看视频在线。

The China Iron and Steel Industry Association believe that the frication in international iron and steel trade is inevitable.

四、中國鋼鐵協(xié)會(huì)認(rèn)為人人摸,人人草，在國際鋼鐵貿(mào)易中發(fā)生爭端和不同意見亚洲玖玖爱，是難以避免的。

A little misunderstanding caused their frication between them.

小小的誤會(huì)引起了他們之間的不和天天色天天操综合网。

A new method for adaptive identification and compensation of frication based on the matching pursuit method was presented.

摘 要：提出一種基于匹配追隨算法的摩擦力自適應(yīng)辨識(shí)與補(bǔ)償新方法最新中文字幕av无毒。

frication：摩擦

是一篇說潤滑劑(lubricant)的文章,說是在生產(chǎn)的時(shí)候加入潤滑劑能減少摩擦(frication),發(fā)熱,和設(shè)備外表的損耗.

frication regular：摩擦規(guī)律

周期變化:oscillation regular | 摩擦規(guī)律:frication regular | 常規(guī)教育:regular education

multi-plate frication clutch：多片摩擦離合器

multi-photon microscopy 多光子顯微技術(shù) | multi-plate frication clutch 多片摩擦離合器 | multi-roll bearing 滾針軸承