1) sling-shot type
弹弓式
2) slingshot substructure
弹弓式井架底座
3) Resilient wire
弹性弓丝
4) elasrtic arch
弹性弓
1.
Objective: To investigate a new method for constructing the three-dimen sional finite element model of nickel titanium memory alloy(NTMA) elasrtic arch for CAD.
目的:探讨一种用于计算机辅助设计的镍钛记忆合金(NTMA)弹性弓有限元模型的建立方法。
5) collector head spring system
弓头弹簧
1.
A nonlinear finite element method was applied in the research of the collector head spring system of pantograph.
将非线性有限元理论应用于机车受电弓弓头弹簧系统的研究。
6) catapult sport
弹弓运动
1.
Based on the relevant literature,this paper does a textual research on the emergence and development of the catapult sport in China,gives a brief account of the role of the catapult sport in history as well,introduces the methods to make catapults and play catapult,and expresses hopes for the future development of the catapult sport.
运用文献资料法考证了弹弓运动在我国历史上的产生和发展的历程,并就弹弓运动在历史上的作用作了概述;对弹弓的制作与练习方法作了简要的介绍对弹弓运动的开展进行了展望。
补充资料：弹弓
一种用弓射出弹丸的远射兵器。古时，射弹多用于狩猎。古诗有"断竹,续竹,飞土，逐肉"的记述。意即砍竹做弓以泥丸射鸟兽。后来发展成一种武术器械。发射弹丸有很多招数，如"苏秦背剑"、"张飞片马"等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条