dimensionless number短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 无因次数 A huge amount of experimental data is synthesized to establish a dimensionless number equation for intensified boiling heat transfer. 并综合大量实验数据建立强化沸腾传热准数方程式。 cnki 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。163