查询词典 tracing thread

The three dimensional flow field in the triple-screw extruder with triangle configuration is the research objects of this task, including velocity field, pressure field and shear rate field etc., simulate the representative flow field in metering section of the triple-screw extruder, consisted of three-thread element with75mm pitch, has been simulated at the screw speed of 60, 120, 180, 240 and 300rpm and the flowing regulations in flow field and especially the role of the unique center zone affecting to the conveying and pressure generating ability have also been analyzed.

本课题以三角形排列的三螺杆挤出机三维流场为研究目标，研究内容包括速度场、压力场、剪切速率场等。模拟分析首先以螺距75mm的三头螺纹元件为代表，计算由其构成的三螺杆挤出机在60、120、180、240及300rpm转速下的流场，分析流动规律，并分析了特有的中心区在输送、建压方面的作用。

It is embroidered with color black and white thread to display the wet nose, the three-lipped mouth with graceful figure, the special tears-like stains in leopard's face and its white and thin beard.

用黑色、白色丝线绣出湿湿的鼻子、有着优美曲线的三瓣嘴和猎豹脸上特有的泪痕状花纹以及白色的细长的胡须。

Built-in thread-winding unit,very easy to operate

内置式绕线机构，操作简便

The collagen threads of 30% fixation degree could be totally degraded after 6 weeks in vivo, and these thread-shaped scaffold was suitable for applying in tissue repair.

交联程度在30%左右的胶原蛋白细丝，在体内完全降解时间约为6周，此交联程度的细丝相当适合作为再生能力低的组织再生基材。

During the growth of the cells from lenses with milder cataract, morphological manifestations suggesting differentiation might be noted which consisted of elongated rod-shaped cells, stellate-like cells with elongated radiating processes or even thread-shaped, fiberlike cells.

自有较轻微白内障的水晶体取得的上皮细胞可能呈现显示分化之形态变化。可能出现拉长的柱状细胞，有细长放射状突出的星状细胞或甚至线状、纤维般的细胞。

He works in the Old Lady of Thread-needle Street.

&他在绰号叫&&穿线街老太太&&的英格兰银行工作。&

Sets the Public Works, trade integration, is the largest professional production of thread-cutting tool businesses.

杭州浙工工具有限公司集工、贸一体，是国内最大的专业生产螺纹切削工具的企业之一。

The practical application of this design model was illustrated through scheme generation and automatic simulation of thread-cutting mechanism in sewing machine, and the experiment arrives at a good result.

通过计算机辅助缝纫机剪线机构方案的产生、自动仿真等说明了这一模型的实际应用取得了较好的效果。

Results and Conclusion When the workpiece is of little elastic deformation, the discretization approach as proposed in this paper is appli- cable not only to the mathematical modeling for thread-cutting process, but to the modeling for processing simple workpiece by using complex cutter, and processing complex workpiece by using simple cutter.

结果和结论作者提出的离散化思路在工件弹性变形不大时，不仅适用于螺纹切削过程的数学建模，亦适用于其它复杂形状刀具加工简单形状工件和用简单形状刀具加工复杂形状工件时的数学建模。

Aim To exlore the method for describing cutter and workpiece, and the method for recording the shape and parameters of the cutting layer when complex workpiece is processed by using complex cutter, and to establish the math- ematical model for thread-cutting process.

摘 要：目的为了建立螺纹切削过程的数学模型，研究用复杂形状刀具加工复杂形状工件时，刀具和工件的描述方法以及切削层参数和形状的记录方法。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48