拉力的

MAIN OUTCOME MEASURES: Ratio of dragging force and nerve root retractor force; SSEP P1 latency.

主要观察指标：牵拉力与神经根牵拉比率、体感诱发电位P1波潜伏期的关系。

The retractor was fixed through the clamp and operation table. The force of dragging nerve root was showed on the display.

拉钩通过固定支架与手术床固定，牵拉神经根的拉力通过显示器显示。

Objective: To explore the clinical results of the percutaneous internal fixation of sacroiliac joint trauma by CT guided technique.

目的：探讨CT引导下经皮空心钛合金拉力螺钉内固定治疗骶髂关节损伤的临床疗效。

The sisal yarn being even with strong and pliable texture can be made into various kinds of sisal products.

剑麻纱条干均匀、拉力强，是各种剑麻制品良好的材料。

We also have all kinds of precision measuring equipment,for example:Direct-reading Spectrograph, infrared thermometer and pulling machine .

并且有各种先进的检测设备如：直读光谱仪、红外线测温仪、拉力机，三坐标测量仪等。

Spring tension is provided by a spiral spring in the base section.

弹簧拉力，是由螺旋弹簧在基地的一节。

The design of the cylindrical spiral drawing spring without original pull always adopts tentative method.

摘要 无初拉力圆柱螺旋拉伸弹簧的设计通常采用试凑法。

Secondly,this dissertation apply statistical pattern analysis for strain data of arch feet, tension data of cable,flexibility data of straining beam and establish their temperature pattern,wind velocity pattern and time pattern,year pattern is established for strain data of arch feet.

其次，对拱脚应变、吊杆和预应力索拉力、系梁挠度等监测数据采用统计模式分析方法，建立起各监测数据的温度模式、风速模式、时间模式，其中对拱脚应变还建立了时间年模式。

It provides scientific theory proof for the suspension rope design of strop ropeway. strop ropeway ; catenary theory ; visual programming ; design system

该系统可供旅游区、公园等娱乐场所的滑索工程设计，以及滑索教学与科研等部门使用。1 系统主要数学模型1.1 悬索无荷线形及拉力1.1.1 无荷挠度F0 F0

Characteristic of this design is high reliability , small volume , big tensile force end so on .

此设计的特点是：可靠性高、体积小、拉力大等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。