查询词典 screw

The transformation relationship from the screw axial section to its orthogonal projection and the compensation are given.

本方法的特点是不需要将丝杆抬起升角角度就可实现测量，给出了在螺纹轴截面和正交投影间基准转换的关系式，并以此讨论分析了补偿量。

After introducing the basic knowledge of geometric algebra such as outer product,inner product and geometric product,this paper focused on the CGA description and computation with graphic reflection,rotation,translation,rigid body motion and screw motion,and gave the experimental demonstrations.

在简单介绍外积、内积和几何积等基本概念之后，重点论述了共形几何代数在图形反射、旋转、平移等变换和刚体运动、螺旋运动等方面的描述和计算方法，并给出了实验示例。

Screw-ups are more palatable if you have someone's arms to go cry in.

悲惨的人总是期待能有个让他痛哭的怀抱

The safety screw is one of the most important parts of the paper knife.

切纸刀保护螺栓是切纸刀的关键保护部件。

This was a relief because George had an appointment later and I needed to front my band at a corporate party -- for the Wall Street Journal Chinese-language Web site, one show I did not want to screw up.

我们都想早点把事办完，因为乔治稍晚还有个约会，而我则需要与我的乐队一道出席一个公司聚会──《华尔街日报》中文网的读者见面会，我可不想把这次活动搞得一团糟。

Spiral nail was used to fixed fracture of neck of femur in 35 patients,multi screw posts were used in 20 patients,pressor slideng goose neck nails were used in 5 patine...

结果 经过平均 2 3个月的随访，优良率：粗隆间骨折 63 。3 %；股骨颈骨折内固定组 5 3 。9%，假体置换组 85 。7%。

OBJECTIVE: To review the application of pedicle screw system in the treatment of IS.

目的：了解椎弓根钉系统在治疗特发性脊柱侧凸的应用。

Objective To evaluate the clinical results and safety of pedicle screw fixation for the treatment of spinal disorders.

目的评价椎弓根内固定技术治疗不同类型脊柱疾患的临床效果及安全性。

Methods 35 patients were treated by 3 types of pedicle screw system.

目的分析椎弓根螺钉在胸腰椎骨折中的临床应用及疗效。

Objective To explore experience of application of Pedicle Screw in the treatment of thoracic lumbar spinal fracture.

目的探讨椎弓根螺钉在胸腰椎骨折治疗中的疗效。

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％。