非轴对称
In order to eliminate the hysteresis error of piezoceramic servo tool during non axisymmetric curved surface turning, three feedforward controlling mathema tical models have been established, i. 在分析压电陶瓷刀具迟滞特点的基础上建立了3种消除迟滞误差的前馈控制数学模型,即:升压模型、峰值降压模型及任意点降压模型。
Hu,W.R., Long,H., Non axisymmetric magnetostatic equilibrium with strong twisted component of magnetic field, Scientia Sinicca A, 31 (1988) 1902 胡文瑞，隆辉，具有强磁场旋转分量的非轴对称磁流体静力学平衡，中国科学A，30(1987)627
This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
