1) virtual joint method
虚拟关节法
1.
For solving the solvability problem within the work space of underfreedom robot, a virtual joint method is proposed and BP neural network is used to distinguish the solvable and unsolvable posture space and to determine whether there exists an inverse kinematics solution.
针对欠自由度机器人在工作空间内运动学逆解的存在性问题 ,提出虚拟关节法 ,并利用神经网络的学习能力 ,区分出可解子空间和不可解子空间 ,达到了对给定末端位姿可解性的准确判
2) introducing virtual nodes method
虚拟节点法
1.
To improve the precision of finite element analysis, considering the transition elements with varying nodes in the mesh of the isoparameter elements, this paper suggested two modified methods with the same essentiality the modified interpolated function method and introducing virtual nodes method, and realized the displac.
为了提高有限元计算的精度，对于等参实体单元的网格中变节点数过渡单元，提出了本质上相同的两种修正方法——修改插值函数法和引入虚拟节点法。
3) virtual knee joint surgery
虚拟膝关节手术
1.
A real-time large scale deformation for the 3D geometry model of the knee joint is required in the virtual knee joint surgery.
虚拟膝关节手术过程中要求对膝关节3D几何模型进行实时的大范围形变,而形变的特点,包括总体轮廓、细节保持、实时性、平滑性以及拓扑性等都影响到它的真实感。
2.
Experiment shows the effectiveness and efficiency of the method in virtual knee joint surgery.
实验表明,该方法能够满足虚拟膝关节手术的实时性和真实感要求。
5) VN
虚拟节点算法
6) virtual legal relationship
虚拟法律关系
1.
The virtual legal relationship, with virtual proper as its media, is a new challenge to jurisdiction for its virtuality and reality.
法理学界应重视研究虚拟法律关系,给立法和司法予以理论指导和阐释。
补充资料：跟距关节融合和跗中关节离断术
跟距关节融合和跗中关节离断术
Syme amputation
踝部截肢时，胫骨下关节软骨切除、保留软骨下骨质，切除距骨和跟骨，保留跟骨后部骨膜和跟下脂肪垫，将其与胫骨残端骨膜缝合。残端负重性能好，也方便安装假肢。
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