In terms of the penalty rules of normal-direction contact restriction,the contact force between reamer wings and rock was calculated.
为了解随钻扩眼工具在井眼内的运动状态和受力情况,促进钻井工具的优化设计和更合理的应用,对随钻扩眼工具在井眼内的运动进行了研究,给出了基于拉格朗日方程的动力学分析方法;基于法向接触约束的惩罚准则,计算了扩眼刀翼与岩石之间的接触力,对随钻扩眼工具在井眼内的运动过程和动力响应进行了动力学仿真研究。
Morisette expansion reamer
刀翼可撑出的扩眼器
and they still go on delicately ripping out sleeves and collars with their little penknives,
裁缝们却小心翼翼地用小折刀扯出做袖子和领子的布，
These are small notches printed or cut out of the edges of the pattern.
这些是印刷的、小的刀眼,或是在纸样的边缘上剪出刀眼。
Output-rate-weighted regulator for suppressing active flutter on flapping wing
抑制机翼主动颤振的输出微分调节器
Research and Implementation on the Highly-scalable Distributed Interactive Simulation Support Platform;
高可扩分布式交互仿真支撑平台的研究和实现
A winglike organ or structure used for flying, as the folds of skin of a flying squirrel or the enlarged pectoral fin of a flying fish.
翼状器官用于飞行的象翼一样的器官或结构。如美洲飞鼠皮上的皱褶及文鳐鱼扩大了的胸鳍
By contrast, the pars alaris is the primary dilatory muscle of the ala and is responsible for alar flaring.
相反，鼻肌翼部是鼻翼的主要扩张肌，使鼻翼外张。
Pattern notches are used to mark the ends of each seam and dart, so that when the garment is cut out they can be transferred to each cut part in the form of small cuts in the garment sections.
用刀眼剪标出每条缝份和省道的终端,这样它们就可以从小的衣片式样形式转移到每片裁片上。
the stomach is a distensible organ.
胃是可以扩张的器官。
This has yielded a result, but it has not increased our insight.
这给出了结果，但并未开扩我们的眼界。
Holes are machined on lathes with various cutting tools.
孔眼可用不同的切削刀具在车床上加工。
The swallow knew that the prince was right, so he flew up and carefully plucked one of the prince's eyes out.
燕子知道王子的话是对的，因此他飞了起来小心翼翼地将王子的一只眼珠拔了出来。
an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller.
由无动力的螺旋式水平机翼支撑的飞机；往前的推动力是由传统的推动器提供。
three point neat-bit reamer
三点式近钻头扩眼器
insert reaming shell
镶有金刚石条扩眼器
Grille diffuser on a duct end. Diffuser properties can be specified.
管道末端的格栅扩散器。可指定扩散器属性。
Here and there I saw several attractive young women but carefully avoided giving them more than a glance.
人群中随处可见几个年轻美貌的女子，我瞥了她们一眼便小心翼翼地收敛起目光。
hydraulic expansion wall scraper
液压扩张的井壁刮刀