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。
The point of this convoluted procedure is that this combination of multiplication and division produces a pure, dimensionless number.
这个复杂运算过程的关键在于，这种乘除法混合物生成了一个纯粹的无因次数。
应用推荐