empiric什么意思？

empiric的音标：empiric的英式发音音标为：[em'pɪrɪk]empiric的美式发音音标为：[em'pɪrɪk]...

This text will make a brief summarize of initial empiric antibiotic therapy.本文就初始经验性抗菌药的选择作一简要概述.Acoustie formation factor formula is an empiric formula proposedrecently.声波地层因素公式是最近提出的有关测井声速的经验公式.The variation of return ...