1.his theory postulated a rotatory movement for hurricanes.
其理论假定飓风是旋运动。
2.The tetramisole molecular have optical activity.The traditional method is time and cost consuming to decide the rotatory direction and the value of optical rotatory.
四咪唑分子具有光学活性,为了确定旋光度大小和方向,统方法既耗时又不经济。
3.The stereostructure can be predicted from the rotatory direction for simple compounds(for example S,R-Noscapine).