物质流动 meaning in English
material flow
Examples
- 08 . 03 test method for flow rates for poly vinyl chloride and rheologically unstable thermoplastics
聚氯乙烯及流变的不稳定热塑物质流动速率测试方法 - This is a basic subject in ecology that seeks to improve the understanding of the flow of energy and materials through ecosystems and the regulation of the distribution and abundance of organisms
本课程着眼于生态学之基础课题，探讨生态系中之能量流动与物质流动，及外在与内在因子对生物体分布和数量之控制。