梯形

Objective:Investigating the early prevention and rehabilitation methods for the contracted scar of foot drop after burn to improve the effectiveness of treatment.

目的：探索烧伤后瘢痕挛缩性足下垂的早期预防和修复方法，改善治疗效果。方法：对我科2006年7月—2009年2月收治的10例跟腱部深度烧伤后可能导致足下垂畸形的患者进行预防性治疗及早期踝关节的功能位固定和功能锻炼；对烧伤后瘢痕挛缩性足下垂3名患者进行Z形瘢痕瓣或梯形瘢痕跟腱瓣治疗，预后观察踝关节外观及踝关节活动功能。

We first will separately discuss the classic CPW fed circular printed slot antenna and rectangular printed monopole antenna. Afterward we propose the ultra-wideband CPW fed circular printed slot antenna with trapezoidal tuning stub and wideband rectangular printed monopole antenna with a fork-shaped feeding strip.

吾人将先分别探讨典型共平面波导馈入之圆形印刷式槽孔天线及矩形印刷式单极天线，继而提出具梯形调谐段之共平面波导馈入超宽频圆形印刷式槽孔天线及具叉型馈入带线之宽频矩形印刷式单极天线。

The image of picture is trapezoid,the image of the tabletop is a irregular four-sided figure, and the image of the rug is actually three seperate regions with more than 20 different sides.

这个图片框的影象是梯形的，桌面的影象是不规则四边形，而地毯的影象则是被分成超过二十边的多边形。

The main products for the machine tap, tap of the screw, nut Taps, Taps spiral groove, Lo pointed ladder Tap Tap, tap hand, squeezing Tap, tap sets Lo, L-tap, straight trough Tap, tap and the roller teeth Tap kind of increase, lengthening Taps, and to undertake Gezhongfeibiao thread and special-shaped tool.

主要产品为各机用丝锥、管螺纹丝锥、螺母丝锥、螺旋槽丝锥、螺尖丝锥梯形丝锥、手用丝锥、挤压丝锥、螺套丝锥、左旋丝锥、直槽丝锥、滚牙丝锥以及各种加大丝锥、加长丝锥，并承接各种非标及异型螺纹工具。

The main products are: thread cutting tools: the machine tap, pipe thread tap, nut tap, tap spiral groove, spiral pointed tap tap ladder, hand tap, tap extrusion, screw tap sets, L-tap, tap straight groove, roll teeth as well as increase the tap tap, tap lengthened and undertake kinds of non-standard and special-shaped screw instrument.

主要产品为：螺纹刀具：各机用丝锥、管螺纹丝锥、螺母丝锥、螺旋槽丝锥、螺尖丝锥梯形丝锥、手用丝锥、挤压丝锥、螺套丝锥、左旋丝锥、直槽丝锥、滚牙丝锥以及各种加大丝锥、加长丝锥，并承接各种非标及异型螺纹工具。

The PCL tibial attached point was stripped, the trapezoid bone groove was prepared according to the size of bone block at the insertion site, and allogeneic bone block was embedded into bone groove, then the other end was introduced to femoral tunnel using pulling wire through the joint, after tensed at anterior drawer site, the extrusion screw was twisted forward to fix the tendon or bone.

剥离后交叉韧带胫骨附丽点，在止点处依骨块大小制梯形骨槽，将异体腱骨块嵌入骨槽，然后将另一端通过牵引线经关节引入股骨隧道，前抽屉位拉紧后由外向内拧入挤压螺钉固定肌腱或骨块。

A series of experiments were conducted to measure the variation of alignment during wheel jouncing; meanwhile, the influence of ...

通过试验综合考察了车轮跳动过程中车轮定位参数的变化，以及转向梯形断开点的垂直位置对车轮定位参数的影响。

A series of experiments were conducted to measure the variation of alignment during wheel jouncing; meanwhile, the influence of breaking point of steering trapezoid on alignment was also investigated.

通过试验综合考察了车轮跳动过程中车轮定位参数的变化，以及转向梯形断开点的垂直位置对车轮定位参数的影响。

Finite element dynamic mode is established for API casing leaning thread contact by using elasticand plastic infinite element.

用弹塑性有限元法，建立了API套管偏梯形螺纹接头接触问题的有限元力学模型。

Ma chain of title, such as two-phase sets, the two ends flat button ring wearing an external ladder. 1991-94 in Bali Township Luocun Guo Rong people have unearthed the tomb of copper Ge, such as cutting and traveling more than 80 pieces of equipment, vehicles軎III are nail holes, such as the long-barreled, or waist-shaped cylinder, the first軎or collect, such as taper or round drum hemisphere.

马衔如两节链条相套，两端扁环外接梯形穿钮。1991－94年八里乡郭罗村戎人墓先后出土铜戈、刀削和车马器具等80多件，车軎三型，均有钉孔，形如长筒或束腰圆筒，軎首或收束尖细或圆鼓如半球。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。