实验公式 meaning in English

empirical formula
experimental formula

When the number of teeth more than 35 , teeth gap is calculated according to the formula presented by hachman
当数为35以上时，隙按照hachman提出的实验公式计算。
Based on the analysis a mixed flow model and a generalized appoximate formula are presented
理论公式与各类实验公式比较指出了这些公式的共同缺陷和相互间不能统一的原因。
The third chapter is experiment analyses of multi - aperture transient electromagnetic method , it analyzes multi - aperture transient method in theory and discusses radiation direction characteristic of first field by means phased array theory and integrating result of experiment contrast . according to kinematics character it also brings forward similar interference concept and analyzes reason of similar interference phenomenon , it gained footing between similar interference item and depth on the base of it and experiment formula
借助于相控阵原理的思想，结合模拟实验观测值对比结果，对多孔径tem方法进行模型分析，详细讨论了多孔径一次场的辐射方向特性，利用光波的运动学特征提出类相干的概念，分析了多孔径tem辐射源存在类相干现象，推导出类相干实验公式，并得出类相干项与多孔径框边长以及埋深的关系表达式和。