扩展率 meaning in English

rate of expansion
rate of spread

Bandwidth expansion ratio
带宽扩展率
Standard test method for determining the transverse - aggregate spread rate for surface treatment applications
测定表面处理的横向集料扩展率的标准试验方法
Effect of temperature on the fatigue crack growth rate of austenitic material is more evident than that of bainite material
温度对奥氏体材料疲劳裂纹扩展率的影响更大。
Meanwhile the paper analyzes the deficiency of current transmission coding and describes a new data transformation method , base91 coding with high encoding efficiency but low data extension
论文同时分析了现有的电子邮件系统传输编码存在的缺陷，提出了一种利用编码效率高、数据扩展率低的数字数据变换方法：基数- 91编码来提高编码效率。