1) Back door
背门
1.
Relationship among various forces and torques on the lifting type back door in the course of opening is analyzed from the view of mechanics and kinematics.
从力学和运动学角度分析了上掀式背门在开启过程中所受各种力和力矩之间的关系,根据受力分析的结果,利用CATIA中的知识工程模块和优化设计功能实现了背门气动支撑杆的优化布置。
3) knack knapsack
窍门背包
5) back pole of miter gate
闸门背拉杆
6) the right side of instep shooting
脚背正面射门
1.
This paper,analyse the right side of instep shooting according to the sport biomechanics principle,run-up,support that foot stand location,play football swing,foot touch ball,after playing football movement before up to whole technological movement structure.
依据运动生物力学原理对脚背正面射门的助跑、支撑脚站位、踢球腿的摆动、脚触球、踢球后的随前动作整个技术动作结构加以分析,并对其提出几点建议,对今后在教学与训练中正确掌握该技术,提高足球技术水平有很大作用。
补充资料：背对背
背靠背。
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