超低速旋转系统
ultra low speed rotation system
磁旋旋光性物质
magnetically active substance
磁旋转光谱技术
magnetic rotation spectroscopy
磁致旋光光谱
magnetic rotation spectrum
等变加速旋转
equal changing accelerated rotation
低速旋转导弹
low speed rolling missiles
低速旋转机械
Low-speed rotating machinery