单词dimensionless number
un.: 无因次数
网络: 无量纲数值；无量纲因数；无量纲量
无因次数
This is a dimensionless number because it"s length divided by length.
这儿没有量纲，因为是长度除以长度。
And so this dimensionless number is very transparent, and we will show you some examples.
这个无因次数，很清楚，我将举几个例子。
Effects of Dimensionless Number and Control Strategies on Transient Response and Injection Rate Shaping of Multi-Injection
无量纲参数和控制策略对多次喷射响应特性及喷油规律的影响
The Application of Dimensionless Number Group in Measuring the Flow Rate by Nuzzle
无因次数群在喷嘴流量测量中的应用