The simple and reliable three-dimensional plane motion principle is used.

用三维平面运动原理，简单可靠。

youdao

The covariant equation of plane motion body in curved space-time is studied.

研究弯曲时空中平面运动刚体的动力学协变方程。

youdao

Kinematics and dynamics of mechanical systems including rigid bodies in plane motion.

机械系统的运动学与动力学包括刚体的平面移动。

youdao

He saw two Big East assistant coaches on a plane while recruiting, and they cautioned him about installing a motion offense.

WSJ: Big Ten Basketball: Grueling Display of Bumping, Bashing