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If the air drag and composite motion are considered in the analysis of the balloon yarn in ring spinning,the calculation with the circular cyclindrical coordinates is simpler and more precise.

在环锭纺气圈的分析中，用柱面坐标系计算能简明、清晰地反映空气阻尼力、复合运动诸因素的综合影响。本文介绍了根据照相测量的气圈形态参数计算纱线张力的新方法

She was courageous and resolute to cut the "legal" dress in drag of the night dress as short as the day dress is,dauntlessly broke the style of traditional noble to make it austere and simple as much as possible.

她果敢的把晚礼服那"法定"的拖地长裙缩短到与白日服一样的长度，大胆地打破了传统贵族气氛，尽可能使其朴素，单纯化。

Dir companies and bear the days drag Deere products in domestic sales and after-sales service.

承担着迪尔公司及迪尔天拖产品在国内的销售与售后服务。

Research shows that wind deflector installed on a van-body truck can reduce aerodynamic drag considerably as well as decrease fuel consumption.

研究表明，在厢式货车上安装导流罩，可以大幅度的降低气动阻力、节省燃料消耗。

In addition, the deflector can increase critical Reynolds number of the aerodynamic drag coefficient graph.

安装导流罩使得气动阻力系数曲线上的临界雷诺数增大；设置薄壁式的导流罩底边和驾驶室顶面之间的间隙，可以增强导流罩的减阻效果。

Abstinence 6 hours of above. 1.2 spile method introduces recorder of the Digitrapper MDIII of Swedish CTD company, MDII PH, use vessel of small electrode of single crystal antimony, use standard amortize liquid first corrective PH value, the patient takes upright seat, cleanness is wet and rhinal, with lube before wet conduit paragraph, nasal cavity of a side of light firm will tracheal edge is inserted to pitch of head of patient of the enjoin when 15cm is controlled, make under the forehead stands by pectoral wall, in order to increase the radian of pharynx ministry passageway, make conduit is entered not easily by accident tracheal, and its do enjoin deglutition movement, slow guide conduit stomach, right now PH shows 1~2 is controlled, again will tracheal slow take out, when PH the value comes by .0 jump 5 when, judgement is ministry of gastric esophagus join , drag electrode 5cm to secure again with this.

禁食6小时以上。1.2插管方法采用瑞典CTD公司的Digitrapper MDIII、MDII型pH记录仪，应用单晶锑微电极导管，先用标准缓冲液校正pH值，患者取端坐位，清洁湿润鼻腔，用润滑油湿润导管前段，轻稳将导管沿一侧鼻腔插至15cm左右时嘱患者头部前倾，使之下额靠近胸壁，以加大咽部通道的弧度，使导管不易误入气管，并嘱其做吞咽动作，并缓慢将导管导入胃，此时pH显示1~2左右，再将导管缓慢抽出，当pH值由。0突升至5.0时，判定为胃食管连接部，以此将电极再拽5cm固定。

In this configuration a small highly swept delta wing is added in front of the main wing for reduced drag at low speeds.

这种外形是在主翼前加上大倾角的三角翼，以减少在低速时的劣势。

The lift and drag characteristics of double-delta wing configuration is more ascendant than that of delta wing configuration.

双三角机翼比三角机翼气动布局具有更优越的升阻特性。

The results show that the increase of surface friction drag and deformation temperature can effectively accelerate the densification.

结果表明，增大试样表面的摩擦阻力，并适当提高变形温度可有效促进致密化过程。

Instead of keeping the derelict craft in orbit, it will, over the course of a couple of years, drag it into the atmosphere and thus to a fiery end.

这个时侯，帆的作用不是让破旧的卫星继续待在轨道上，而是会用几年的时间把卫星拖入大气层，使其在烈火中走向终点。

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。