基本解釋[經(jīng)濟(jì)學(xué)]以百分率計(jì)全麪降低（關(guān)稅）以百分率計(jì)的全麪降低專業(yè)釋義經(jīng)濟(jì)學(xué)以百分率計(jì)全麪降低（關(guān)稅）以百分率計(jì)的全麪降低