定义 中文名称: 物质流通率 英文名称: ratio of material flow 定义1: 生态系统中的物质在单位时间、单位面积或体积的移动量。 应用学科: 生态学(一级学科); 生态系统生态学(二级学科) 定义2: 生态系统中的物 基于1
双语例句
1
A method of stepped-diameter design for pneumatic conveying pipelines, as well as relationship among pressure loss, ratioofmaterial to air, and mass flow rate of materials etc.
介绍气力输送管道的变径设计方法和变径管道气力输送试验中压损、料气比、物料质量流量等间的关系。
2
The expansion ratio is related to the liquid flow rate, fluidization velocity and free descending velocity of the packing material.