It consists of an electronic ultramicrobalance, an anechoic tank and a system of reflecting target.
该装置由电子微量天平、消声水槽和反射靶悬吊系统组成。
Science is a knowledge system reflecting the objective world and its pattern of movement.
科学是反映客观世界及其运动规律的知识体系。
Science is a knowledge system reflecting the objective world and its pattern of movement.
科学是反映客观世界及其运动规律的知识体系。
应用推荐