We'd like you to execute the first order by the 31 st.
我们希望你们可以在31号之前完成第一批订单。
The motion equations for a free gyroscope with an annular damper are established by application of the equations of 1-st order in normal form for the motion of the rigid body.
本文利用刚体定点运功的一阶正规型方程组建立带液体环阻尼器的自由陀螺仪的运动方程。
St Peter tells them that they have to answer one question in order to get to Heaven.
圣彼德对他们说,如果他们想进入天堂,就得每人回答一个问题。
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