请问 rotational symmetry of order 2

请问 rotational symmetry of order 2 rotational kinetic energy是什么意思 rotational displacement是什么意思 rotational inertia是什么意思 rotational viscosity是什么意思 rotational viscosity是什么意思 rotational inertia是什么意思 rotational rheometer是什么意思 rotational rheometer是什么意思 英语翻译State the order of rotational symmetry of a regular decagon. speed shall not exceed by more than 10 % the rotational speed over timewhile rotational grazing saves money overtime………………翻译. Rotational symmetry of order 2 about the centre; no line symmetry 谁可以翻译一下 rotational capacity test 是什么意思ASTM A325要求这种试验?不知如何做法? 求助Japanese Journal of Applied Physics文章3篇 1 Simultaneous Measurement of Rotational Viscosity,Pretilt Angle,and Dielectric Anisotropy from Transient Current in Nematic Liquid Crystal Cells 2 Method for Determination of Rotational Viscosity i 英语翻译The inability of conventional flexibility method to multi-damage scenario is analyzed,and a newdamage detection approach based on rotational flexibility matrix is proposed in this study.Themathematic form of rotational flexibility matrix complete the diagram so that it has rotational symmetry of order 4 about the centre O的意思 英语翻译Running Characteristics of Aerodynamic Bearing withSelf-Lifting Capability at Low Rotational Speed低速动压空气轴承的运转特性