Measurement with sound intensity for directional distribution of early reflections in rooms;
房间内早期反射声方向分布的声强法测量
The directional distribution of early reflections is one of the important characteristics of acoustical quality in rooms.
早期反射声方向分布已成为反映房间音质的重要特性之一。
The damage effect math-model of initial nuclear radiation for neutron bomb nuclear explosion;
中子弹爆炸早期核辐射效应估算数学模型