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Single factor experiments were done with the factors including the width of protrusion and the trolley's velocity, which showed that the surface frictional coefficient decreases with the width of protrusion increasing, and doesn't change with the trolley's velocity changing, which was consistent with the results of the orthogonal experiment. A theoretical model of the horizontal projection of a corrugated bionic surface's contact area was built, which showed that the contact area's horizontal projection decreases with width and interval increasing respectively and that the ratio of the contact area's horizontal projection and the vertical load decreases with the vertical load increasing. It indicated that the surface frictional coefficient decreases with the above three factors increasing respectively. Finite element modeling and analysis of interactions of a plate and soils was done using ANSYS, which showed that the plate frictional coefficient is little relative to soil elastic modulus and decreases with vertical surface pressure and that trolley's pull and vertical displacement of bionic surface's control pilot keep constant almost during the plate being pulled. Finite element modeling and analysis of interactions of a corrugated bionic surface and soils was done using ANSYS, which showed that surface frictional coefficient is little relative to soil elastic modulus and decreases with bionic surface's structural parameters and vertical pressure increasing. However, the three factors all didn't affect the surface frictional coefficient remarkably on the condition of 90% dependability. For the first time, bionic surfaces were applied to screw piles, which formed bionic screw piles, and the contrast experiments showed the bionic screw pile had certain resistance-decreasing effects.

建立了波纹型仿生曲面与土壤的接触面积的水平投影的理论模型,表明接触面积的水平投影A随着波纹型仿生曲面突起宽度、两相邻突起间距的增大而减小,接触面积的水平投影与波纹型仿生曲面表面垂直载荷之比随着波纹型仿生曲面表面垂直载荷的增大而减小,进而得出仿生曲面摩擦系数随着波纹型仿生曲面突起宽度、两相邻突起间距以及表面垂直载荷的增大而减小;利用ANSYS软件对平板与土壤的相互作用进行了有限元建模与分析,表明平板摩擦系数与土壤弹性模量关系不大,而随着表面垂直载荷的增大而减小;平板牵引过程中台车牵引力和仿生曲面控制节点垂直方向位移基本保持不变;利用ANSYS软件对波纹型仿生曲面与土壤的相互作用进行了有限元建模与分析,表明波纹型仿生曲面系数在一定范围内基本不受土壤弹性模量的影响,随着波纹型仿生曲面突起宽度、两相邻突起间距以及表面垂直载荷的增大而减小,但在可信度为90%的前提下,三个因素影响都不显著;首次将波纹型仿生曲面应用于与土壤作用方式以挤压为主的螺旋桩,形成仿生螺旋桩,并与普通螺旋桩进行了沉桩对比试验,表明波纹型仿生曲面应用于螺旋桩桩体表面具有明显的降阻作用。

A plain or notched , often wedge shaped piece of wood or metal designed to hold parts of a machine or structure in place or provide a bearing surface , usually adjusted by a screw or key .

扁柱,夹条,凹字形楔一种平的或有凹的经常是一块楔形的木头或金属,用来在一定地方夹住机器或结构的各部分或提供轴承的表面,通常是由螺丝或钥匙来调整A plain

In addition to the newly approved QFII in the A shares open outdoor lightning, Topview data showed a strong rebound in the last week, even though the fund will continue to deliver good, QFII, but several seats on a large scale buying in the market in general showed a net inflow of funds.

除了在A股,新批准的合格境外机构投资者开放的户外闪电,Topview数据显示,上周强劲反弹,尽管该基金将继续提供良好的,QFII制度,但在总体市场的大规模购买几个席位显示资金净流入。

Apparatus— Use a 500-mL glass flask A connected by means of a trap B to a reflux condenser C by ground glass joints.

装置---使用一个与500ml的玻璃烧瓶A,与水分测定管B连接,使用磨口玻璃接头与回流冷凝器C连接

Kim will sit for the portrait master summer "spent Guiqu horseshoe-riding" for the painting: the early rainy weather was fine, Lin Jianxiao Road, from near and far, Xi Xi and scattered Mati Yin and his party in recent Mati Yin bees have three, two in Tiyin circled on the preparations for Caimi, and another along the "road-" has been exiting…... forward in the "mountains of temple," he will be painted screen: the flying rock cliffs, winding the breakwater Two small over the faltering of the old monk, is struggling to carrying a bucket of water going to the mountains, the clouds wind around the side of the Linhai…... In the "green leaves that red" is the screen: an oasis in a Green rice fields and jungles, a hands Ziyi girls were carrying their loved ones to send the rice basket lunch and Tao Waguan; Fumian from the face of the Shanfeng, a Ziyi Chuidong the shadow show girls Ena, blowing open the girls UFA reveal the beautiful face - Emeifengyan, Fensaizhuchun, disclosed the spring atmosphere…….

u2 M- w7 O5 a% k 应考画师夏珪将&踏花归去马蹄香&画为:初雨天晴,林间小道上,由远及近、稀稀地零落一行马蹄印;在最近的马蹄印上有三只蜜蜂,两只在蹄印上盘旋准备采蜜,而另一只沿着&香路&一直向前飞去……;在&深山藏古寺&中,他将画面画成:在飞岩绝壁、蜿蜒的石矶小道上两名步履蹒跚的老和尚,正吃力地抬着一桶水向山上走去,一旁是云雾缭绕的林海……;而在&万绿丛中一点红&的画面是:在一望无垠的绿色丛林与稻田间,一位紫衣少女双手分别拎着给亲人送午餐的饭篮与陶瓦罐;那迎面拂面而来的山风,吹动着紫衣显现少女婀娜的身影,吹开少女的乌发露出美丽的脸庞——蛾眉凤眼、粉腮朱唇,透出春的气息……。

Fiat Elevator Co., Ltd. as the elevator industry leading enterprises, Guangdong Province, became the first country to obtain A-level elevator manufacturing license and A-level elevator installation, repair, maintenance of the elevator business license, a total of 12 types of elevator lift more than 100 varieties of specifications.

快意电梯有限公司作为电梯业的领先企业,成为广东省首批获得国家A级电梯制造许可证及A级电梯安装、维修、保养许可证的电梯企业,共有电梯12类100多个规格电梯品种。

"The objects can be thought of as points in space, with the distance between points given by a distance formula, such that:(1) the distance from point A to point B is zero if and only if A and B are identical ,"

可以把这些对象想成是空间中的点,两点之间的距离由距离公式给定,于是:(1)只有当A和B是重合的时候,A到B的距离才为零

Keyboard function set through waveform type,frequency,amplitude,duty cycle,and other parameters of a signal to the microprocessor 89C51 control,MAX038 generated by the various signals,In this process,four-channel signal through D/A converters have simulated voltage and current,It transported up through the analog signal amplification,it enters the frequency MAX038 coarse-IIN,fine-tuning FADJ end,the duty cycle control-DADJ. In its COSC port received a three relays and oscillation frequency capacitance as a choice.

通过键盘设定函数波形种类、频率、幅度、占空比等参数的一个信号进入单片机89C51控制,由MAX038产生各种波形信号,在此过程中信号通过四通道D/A转换器产生模拟电压和电流,它再通过运放将模拟的信号放大,它进入MAX038的频率粗调端IIN、微调端FADJ、占空比控制端DADJ、在它的COSC端口接一个继电器和三个振荡电容作为频率选择。

A is for the airplane, above the clouds so high sowing and sing, like a big bird in sky B is for a bunny, but it doesn't cut his tail, he goes cipety hup hup hup, a longer bunny trail. C is for my cat, she is as cuddly as can be, but she mean out so lovely that she gets stark out been a tree.

26个words A是飞机,在云中飞得很高,像一个大鸟在天空 B是一个兔子,但它没切断他的尾巴,他跑步的技巧很熟练,一个尾巴长的兔子则是无精打采地走着。

Kurt Vonnegut published his last book in two thousand five. A Man Without A Country is a c ollection of his opinions of many subjects, including issues in modern American society. He died in two thousand seven after suffering brain injuries from a fall in his home.

库尔特。冯尼格特在2005年出版了他最后一部著作,《 A Man Without A Country 》是一部集中了他在许多方面的观点的著作,包括他对现代美国社会的观点。2007年,他因一次在家摔倒,脑部受伤而去逝,享年八十四岁。

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相关中文对照歌词
What A Night, What A Moon, What A Girl
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A Hatchet, A Hammer, A Bucket Of Nails
S.A.N.T.A.N.A.
A Man. A Plan. A Canal. Panama.
A Quién Vas A Amar Más Que A Mí
Touch A Touch A Touch A Touch Me
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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。