詞語：ungrading
ungrading的解釋
ungradingn. 篩分析
ungrading的意思
ungrading 篩分析;ungrading of industrial structure 產業結構升級;
ungrading的參考例句
1.The effects of deferred spring grazing and continuous grazing on the vegetation characteristics of the natural pasture were studied during the ungrading persod of spring of 200
2. 2002年春季進行禁牧與自由放牧的對比研究。結果表明，春季禁牧對草原植被的群落特徵具有十分顯著的影響；