The results were as follows.(1) In the backward handspring, the trajectory of CM and horizontal velocity of CM in junior-high and college gymnasts were lower and higher than those of senior-high gymnast, so the vertical velocity is better when they perform tucked backward somersault. College gymnast has higher vertical velocity than junior-high and senior-high gymnasts in take-off moment of backward handspring phase.(2) Senior-high and college gymnasts have more elbow and shoulder angle in take-off moment of backward handspring and tucked backward somersault phase. Therefore, angle of both arm is bigger for performing in hand push away phase in the backward handspring, and increased the reaction force with body in the tucked backward handspring.(3) College gymnast has large knee flexions in hand support and push away moment in the backward handspring, it would increase rotation radius and better moments of inertia in the backward handspring.

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That boss looked low to blow the whistle loud sounds, that one into the pile of clothes in return亂翻up.

那老板看了一眼二级黄色网站免费在线，低低地吹了一聲動聽的口哨黄色1级视频，一頭扎進那摞退貨的衣服里亂翻起來。

While traditional farming experiences and preliminary experiments on minimum tillage showed a preference of alternating furrow slice inverting and deep loosening without inverting in some of the agricultural regions in China, the development of a PTO driven furrow slice inverting rotary plow as primary tillage implement inplace of the conventional moldboard plow was justified from the standpoint of less tractor traffic, less soil compaction, less energy consumption, sowing in time etc.

從翻耕或翻耕與深松相交替將在相當(dāng)廣大的地區(qū)αv中文字幕在线毛片免费、相當(dāng)長的時期內(nèi)欧洲免费多人疯狂，作為一種基本的田間作業(yè)環(huán)節(jié)而存在這一認識出發(fā)，用"假想旋翻垡片"的概念研究了旋翻在幾何尺寸上的可能性及其限制條件婷婷久久高清国外AV免费，并從保省耕作法的節(jié)能91精品国语高清白产拍、趕農(nóng)時欧日韩精品明星图片在线观看、省人工減少土壤壓實、經(jīng)濟高效等方面對旋翻進行了考察av录像观看，指出發(fā)展一種動力驅(qū)動影音先锋不鲁321资源网、原溝旋轉(zhuǎn)翻垡的基礎(chǔ)耕具的必要性和可行性。

Somersault tuck 團身空翻 He somersaulted through the window.

他一個筋斗翻出了窗戶18禁片免费网站在线看。

In this paper, several approximate methods are put forword to calculate the limited burring factor through analyzing stress and strain at the edge of the round-hole in the burring process.

這種極限變形程度可用極限翻邊系數(shù)來描述人人操亚洲综合，即在翻邊過程中，翻邊系數(shù)(K =d0 /Dm三级绝黄A片在免费线观看欧美，式中d0 葡京亚洲影院在线观看、Dm 分別為板料原始孔徑和翻邊后豎邊中徑圖 1)，不能小于極限翻邊系數(shù)全国最新的黄色视频播放久了爽爽。目前草草视频在线观看网址，在沖壓理論中，有關(guān)極限翻邊系數(shù)的理論探討還很少[1四川三级自中文字幕亚洲，2 黄片黄片黄片，3] 。

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Based on research of frozen soil status in quo and analysis of earlier results of highway tympanites nation and abroad, taking advantage of the project"The tympanites mechanism and control technique of highway in YiLi"from the YiLi highway bureau, aiming at large areas of tympanites pingoes on G313 and G218 asphalt highway in YiLi, the thesis makes a thorough study on development mechanism and control technique of highway tympanites from soil features of highway tympanites, tympanites mechanism, material and structure of resisting tympanites by investigation in situ, test and analysis.

本文基于國內(nèi)外凍土研究現(xiàn)狀和道路翻漿已有成果的分析亚洲巨制av剧情在线，以新疆伊犁公路總段科技項目&新疆伊犁境內(nèi)道路翻漿機理與治理技術(shù)&為依托，針對新疆伊犁境內(nèi)G313国产精品理论片在线播放、G218線瀝青路面大面積的翻漿鼓丘欧美激情性A片在线观看⑧，通過現(xiàn)場調(diào)研、實驗和分析久久性生活视频，從翻漿土體特性男人的天堂在线无码视频网站、道路翻漿機理、抗?jié){材料和抗?jié){結(jié)構(gòu)研制出發(fā)日韩精品免费AⅤ片在线观看，對道路翻漿機理與防治技術(shù)進行了深入研究www.污黄视频在线看，主要包括以下幾方面內(nèi)容：①道路翻漿土體特性研究通過實地考察和室內(nèi)實驗，翻漿土體粘土含量高色色的视频网址，富含腐殖質(zhì)狂插乱捅，天然容重一般在17～20KN/m3左右，含水量18～30%国产一级特黄AA级特黄裸毛片。

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In this paper, commonly used "highway tunnel design specifications"(JTG D70-2004) in the BQ surrounding rock mass classification methods and geomechanics classification method on the highway翻壩increase the tiger to the right tunnel surrounding rock classification, and the following major conclusions

本文結(jié)合國內(nèi)常用的《公路隧道設(shè)計規(guī)范》（JTG D70—2004）中BQ圍巖分級方法和巖體地質(zhì)力學(xué)分類方法對翻壩高速公路老虎嶺隧道右幅進行圍巖分級麻豆精品视频在线免费观看，并得到以下主要結(jié)論

back flip：(後翻)翻跟斗

flip (前翻)翻跟斗 | back flip(後翻)翻跟斗 | Can I have a candy? 我可以吃顆糖果嗎?

ectropion：瞼外翻

瞼外翻 (ectropion)系指瞼緣離開眼球?qū)е虏糠只蛉坎€結(jié)膜向外翻露的異常狀態(tài). 按發(fā)病原因分為:痙攣性瞼外翻、老年性瞼外翻欧美日劲、瘢痕性瞼外翻国产美女羞羞网站在线观看、麻痹性瞼外翻4種.

spastic ectropion：痙攣性瞼外翻,痙攣性瞼外翻

www.mapeng.net 馬棚網(wǎng) | spastic ectropion 痙攣性瞼外翻,痙攣性瞼外翻 | spastic entropion 痙攣性瞼內(nèi)翻,痙攣性瞼內(nèi)翻

ectropium：外翻; 瞼外翻 (名)

ectromelia 四肢不全之畸形 (名) | ectropion 外翻; 瞼外翻 (名) | ectropium 外翻; 瞼外翻 (名)

entropion knife：瞼內(nèi)翻刀

entropion 瞼內(nèi)翻 | entropion knife 瞼內(nèi)翻刀 | entropium forceps 瞼內(nèi)翻鑷,翻眼鑷

spastic entropion：痙攣性瞼內(nèi)翻,痙攣性瞼內(nèi)翻

spastic ectropion 痙攣性瞼外翻,痙攣性瞼外翻 | spastic entropion 痙攣性瞼內(nèi)翻,痙攣性瞼內(nèi)翻 | spastic flatfoot 痙攣性扁平足,痙攣性扁平足

entropium forceps：瞼內(nèi)翻鑷,翻眼鑷

entropion knife 瞼內(nèi)翻刀 | entropium forceps 瞼內(nèi)翻鑷,翻眼鑷 | entrust 委托,信任

to turn inside out：翻轉(zhuǎn);將裏面翻作外面成語英美片語成語

64654翻臉人類眾生相rummage | 64655翻轉(zhuǎn);將裏面翻作外面成語英美片語成語to turn inside out | 64656翻譯文化寫作,編校translate

tibia vara：脛骨內(nèi)翻,脛骨內(nèi)翻

tibia valga 脛骨外翻,脛骨外翻 | tibia vara 脛骨內(nèi)翻,脛骨內(nèi)翻 | tibial border 脛側(cè)緣,脛側(cè)緣

Cat's Cradle：翻線戲,翻繩兒,挑繃子

翻墻攀屋的竊賊,飛賊/cat burglar | 翻線戲,翻繩兒,挑繃子/cat's cradle | 翻線戲/string figure