例句與造句

1. There is no rotating moment transmitted to the rotopter rotor blades, so there is no torque reaction _ and so no need for a tail rotor,
2. After applying a high external field to partially demagnetize the magnetic moments in the hard phase and after subsequently removing the external field, the rotated moments in the soft phase can be rotated back by exchange coupling with the hard phase ( Figure 5 ).
3. It's difficult to find rotating moment in a sentence. 用rotating moment造句挺難的