平面关节 meaning in Chinese

articulatio planus
articulationes plana
plane articulation
plane joint

Objectie . the aim of the present study was to inestigate the concentration of nitric oxide ( no ) in the perifacetal region in patients with chronic low back pain and healthy controls
目的：这项研究的目的是调查慢性腰背痛病人和正常人小平面关节中no的浓度。
The directly modifying method and the compensating method . finally , we make use of the matrix principium optimized distribute the tolerance of the dh parameters . in the end , we analysed the scara assembly robot which we designed by programming emulator with the kinematics equation and the above theory , which including several step . first step is analysing and comparing the markedness of every parameter error , which affects the robot precision
结合scara平面关节式装配机器人设计，编写了scara平面关节式装配机器人精度系统分析程序，全面分析了scara平面关节式装配机器人末端位姿精度：研究了对机器人末端位姿误差影响最大的误差因素，总结出机器人误差分配原则，作出机器人末端位置误差在工作空间分布规律图，提出根据机器人末端位置误差分布规律图选择机器人装配作业点。