orthogonal coordinates 正交坐标系 ; [数] 正交坐标 ; [数] 直角坐标
orthogonal curvilinear coordinates 正交曲线坐标 ; 正交曲线坐标系
semi-orthogonal coordinates [数] 半正交坐标
curvilinear orthogonal coordinates 直交曲线坐标 ; 直交曲纹坐标
orthogonal coordinates system 正交坐标系
non-orthogonal coordinates system 非正交坐标系
orthogonal coordinates axes 直角坐标轴
A calculating formula for surface integrals under orthogonal transformation of space coordinates is given.
给出曲面积分在空间坐标的正交变换下的一个计算公式。
By analyzing the disadvantage of the traditional NC engraving machine based on orthogonal coordinates and the kinematics characteristic of industry robot, a robot with five knuckle arms is designed.
本文根据传统的直角坐标数控雕刻机的缺陷，结合工业机器人的运动学特性，研制了一种五自由度关节式雕刻机器人。
This paper is concerned with a turbulence mathematical model under orthogonal curvilinear coordinates including the effects of streamline curvature on turbulent flow.
考虑弯曲边界曲率效应对水流水力特性的影响，建立了正交曲线坐标系下的紊流数学模型。
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