词汇	variational perturbation
释义	variational perturbation 变分扰动
随便看	Administration dose administration duty administration duty officer administration education administration effectiveness administration effects administration efficiency administration effieiency administration enforcement administration enforcement bodies administration enforces the law administration engineer administration environment administration essence administration ethic administration ethics administration evasion administration examination and approval administration execution administration executive faculty Administration Expenditure administration expense administration expense budget administration expenses administration expenses are perplexing