它上面没有固定轴。
Computation of the magnetic field, which is produced by a charged body rotating about a fixed axis, is a classical question about magnetostatic boundary-value problem.
求定轴匀角速转动带电体的磁场是一类典型的静磁场边值问题。
A new measuring instrument of rotational inertia has been devised by the fixed - axis rotation principle and parallel axis theorem of compound pendulum.
利用复摆定轴转动原理和刚体平行轴定理设计的一种新型转动惯量测定仪。
A new measuring instrument of rotational inertia has been devised by the fixed - axis rotation principle and parallel axis theorem of compound pendulum.
利用复摆定轴转动原理和刚体平行轴定理设计的一种新型转动惯量测定仪。
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