peak variation factorpeaking variation factor总: assemble; gather; put togeth ...变化: change; variety; transformat ...系数: coefficient; ratio; modulus; ...变化系数: coefficient of variation; coefficientofvariation; transformation ran ratio; variation coefficient; variation factor日变化系数: coefficient of daily variation; daily variation coefficient; daily variation coefficlent下载手机词典可随时随地查词查翻译