In addition, the bearings benefit from improved kinematics, optimised surfaces and are made from higher performance materials.
此外，轴承受益于改善运动学，优化表面是由更高的性能的材料。
These bearings do not have a central rib on the inner ring so longer barrel rollers can be fitted; improved kinematics, optimised surfaces and even higher performance materials are possible.
这些轴承没有内圈上，使辊筒长可安装中央肋骨，改进运动学，优化的表面，甚至更高性能的材料是可能的。
Models of the position and tool forces of backhoe hydraulic excavator were built based on the full analysis of kinematics, kinetic performance of working device and mathematic model of tool forces.
在对反铲液压挖掘机工作装置的运动学、动力学性能以及挖掘力数学模型全面分析的基础上，建立了反铲液压挖掘机整机的位置模型和挖掘力发挥模型。
应用推荐