requirement n. 1.要求,需要。 2.要求物,必需品;需要量;必要條件,資格 (for)。 the detailed requirements 詳細(xì)規(guī)格。 meet the requirements of the times 適應(yīng)當(dāng)時需要。 the first requirement 第一要件。
The problems of carbon source supply and sludge age control could be effectively solved in the processes by means of " one carbon source for two uses " and " two - sludge system " , meanwhile phosphorus and nitrogen can be removed with less oxygen requirements and sludge production 該工藝以其特有的“一碳兩用”和“雙泥系統(tǒng)” ,有效解決了常規(guī)生物脫氮除磷工藝的碳源供求矛盾和泥齡控制問題,可同時獲得較高的除磷和脫氮效率,并具有所需曝氣量少,剩余污泥排放量低等特點(diǎn)。