Necessary and sufficient conditions for the equilibrium of a coplanar system of force couples: the algebraic sum of their moments has to be zero.

平面力偶系合成結(jié)果還是一個(gè)力偶思思99影院在线观看，其力偶矩為各力偶矩的代數(shù)和激情视频国产一区。

The axially symmetric torsion of rigid circular shaft of varying diameter embedded in an elastic half space is studied by line-loaded integral equation method, where the problem is formulated by distributions of fictitions fundamental loads PRCHS (point ring couple in half space) along the axis of symmetry in interval of the shaft and is reduced to a one-dimensional and non-singular Fredholm integral equation of the first kind and is easily solved numerically.

彈性半空間日本人伦影片；本文用線載荷積分方程法研究嵌在彈性半空間的剛性變直徑圓軸的軸對(duì)稱扭轉(zhuǎn)日本黄色视频在线观看免费。利用將"半空間的點(diǎn)環(huán)力偶"這一虛的基本載荷沿對(duì)稱軸的圓軸區(qū)間中分布就能使本問題歸結(jié)為一個(gè)一維的非奇異的Ferdholm第一種積分方程中年夫妇露脸视频，且很易用數(shù)值求解。文中給出剛性圓錐日本免费看A片一进一出，圓柱国产迷系列视频在线观看应用，圓錐柱嵌在彈性半空間的扭轉(zhuǎn)的數(shù)值計(jì)算的例并和他人的已知結(jié)果相比較。

Study the whole system, add the virtual inertial force and the inertial force couple MQC

取系統(tǒng)為研究對(duì)象东北肥女人毛多水多性视频，虛加慣性力和慣性力偶MQC

METHODS: Threedimension finite element analysis method was used to calculate and analyze the stress and displacement in implantbone interface, and a torque force of 1.47 N, with the moment of couple of 5 mm, was applied on the abutment 7 mm distant from implant neck.

用三維有限元方法jjzzjjzz，在距種植體頸部7 mm的基臺(tái)處，給其施加以1.47 N扭轉(zhuǎn)力欧美大黑粗极品黑白配，力偶矩5 mm92精品视频，計(jì)算和分析支抗種植體骨界面的應(yīng)力和位移。

METHODS: Three dimension finite element analysis method was used to calculate and analyze the stress and displacement in implant bone interface, and a torque force of 1.47 N, with the moment of couple of 5 mm, was applied on the abutment 7 mm distant from implant neck.

用三維有限元方法黄色无码在线视频，在距種植體頸部7 mm的基臺(tái)處国产三级片尤物视频，給其施加以1.47 N扭轉(zhuǎn)力，力偶矩5 mm观看国产免费黄片视频，計(jì)算和分析支抗種植體骨界面的應(yīng)力和位移好大好爽好湿美女在线视频。

Character 2:The algebraic sum of the moments of the forces of a couple about any point in its plane of action is independent of the location of that point and is equal to the moment of the couple.

Statics 靜力學(xué)性質(zhì)2：力偶對(duì)其所在平面內(nèi)任一點(diǎn)的矩恒等于力偶矩，而與矩心的位置無關(guān)欧美一区在线视频导航，因此力偶對(duì)剛體的效應(yīng)用力偶矩度量H无码动费视频在线观看。

Though analysis the dynamic unbalance moment of couple on three ring reducing gear,puts forward the improvement of plan for the bearing liveload.

通過分析"三環(huán)減速機(jī)"存在的動(dòng)不平衡力偶矩，對(duì)軸承動(dòng)載荷提出改進(jìn)方案美女视频黄软件，將原來的三環(huán)三偏心改成三環(huán)二偏心欧美老熟妇AAAAAA农民，消除動(dòng)不平衡力偶矩和軸承附加動(dòng)載荷，以期對(duì)"三環(huán)減速機(jī)"的設(shè)計(jì)在线黄片av播放、使用和維護(hù)提供有益的幫助国产xxxx在线播放。

This paper attempts to decompose the load of couple into two equivalent,reversed and parallel forces.

將力偶分解為等值老女老肥熟国产在线视频、反向、平行的兩個(gè)力iGAo视频网站在线观看，當(dāng)荷載(集中荷載免费无码又爽又刺激羞羞视频、分布荷載和力偶)位置已知時(shí)国产第一页屁屁影院，利用影響線計(jì)算梁的內(nèi)力和反力欧美视频经典亚洲，并與截面法計(jì)算結(jié)果作一比較。

Statics 靜力學(xué) A workpiece lies on a drill press, four equidimensional holes are drilled in the work piece, the force couple of every drill is .

Statics 靜力學(xué)平面力偶系平衡的充要條件是：所有各力偶矩的代數(shù)和等于零亚洲性免费。

Therefore, in this paper a new mechanics method is studied, i. e. a group of equations were set up and solved by the equilibrium conditions of the couple system. The transmission ratio and the meshing efficiency calculation formula were derived by this method. According to the law of conservation of energy. Hence then the above profound problems are analyzed and solved in a simple way. epicyclic gear train ; couple system ; transmission ratio ; meshing efficiency

故根據(jù)平面力偶系平衡條件可以很方便地推導(dǎo)出輪系傳動(dòng)比和嚙合效率公式久久精品亚洲，與其它方法[卜3]不同之處還在于，本文根據(jù)能量守恒定律黄网站18，不需分析嚙合功率的流向98人妻色色，便可解決嚙合效率的計(jì)算問題。1理論基礎(chǔ)1.1基本周轉(zhuǎn)輪系的力矩關(guān)系式圖1為常用的2K—H型基本周轉(zhuǎn)輪系日韩综合一区视频在线91，當(dāng)輪系勻速轉(zhuǎn)動(dòng)工作時(shí)男人天堂一道本在线视频，根據(jù)受力平衡條件，作用在▲圖l 2K_H基本輪系三個(gè)基本構(gòu)件上的力偶矩應(yīng)滿足以下關(guān)系式[1]：蘭=簇=撬㈤一1一涅稍一1一涅稍

couple：力偶

由轉(zhuǎn)矩(torgue)或力偶(couple)所產(chǎn)生的扭曲形變. 扭桿是一種彈簧,一端固定,在另一端施以轉(zhuǎn)矩. 扭桿常用于機(jī)動(dòng)車的懸浮系統(tǒng)中. 引力常數(shù)(gravitationalconstant)時(shí)所使用的型式;在此型式中將儀器日全食(eclipse)的持續(xù)期間,

restoring couple：回復(fù)力偶

回復(fù)力 restoring force | 回復(fù)力偶 restoring couple | 回彈 resilience

restoring couple：力偶

力 restoring force | 力偶 restoring couple | 回彈 resilience

Couples：力偶

coupleryokekey鉤尾銷 | couples力偶 | couplet偶聯(lián)體

inertia force：慣性力偶

couple n 力偶 | inertia force 慣性力偶 | rotation force 轉(zhuǎn)動(dòng)偶

moment of couple：力偶矩

力偶 couple | 力偶矩 moment of couple | 連桿 connecting rod, coupler

moment of couple：力偶鋸

力偶 couple | 力偶鋸 moment of couple | 力平衡 equilibrium

moment of rolling resisting couple：滾動(dòng)阻力偶矩

滾動(dòng)阻力偶rolling resisting couple | 滾動(dòng)阻力偶矩moment of rolling resisting couple | 滾動(dòng)阻礙系數(shù) coefficient of rolling resistance

yawing couple：船首搖擺力偶

yawing axis 首搖軸 | yawing couple 船首搖擺力偶 | yawing couple 首搖力偶

yawing couple：首搖力偶

yawing couple 船首搖擺力偶 | yawing couple 首搖力偶 | yawing frequency 首搖頻率