crop barrier 中文意思是什麼

crop barrier 解釋
作物屏障
  • crop : n 1 農作物，莊稼；收獲；收成；〈the crops〉 一季的收獲量，產量。2 （同一時期出現的人物等）一批，...
  • barrier : n. 1. 柵，柵欄，隔欄，障壁，隔板，擋板；賽馬的出發柵。2. 關口，（海關）關卡。3. 障礙；壁壘；界線。4. （擴伸到海洋中的）南極洲冰層。vt. 用柵圍住。
  1. Wheat was the dominating crop in aspects of both the growth and mn nutrients competition either in wheat - rape or in wheat - chickpea intercropping system, but the growths of rape and chickpea were suppressed by wheat. root barriers did not affect the total shoot dry weight in wheat - oat system, but the total mn uptake was lower in no barrier treatment ( mixed cropping ) than in solid barrier treatment ( mono cropping )

    在本試驗條件下，小麥與油菜或鷹嘴豆混作能顯著改善小麥的生長及錳營養，其地上部干重及吸錳量均以根系不分隔處理顯著高於根系完全分隔處理；油菜和鷹嘴豆的生長受小麥抑制，均表現為不分隔處理的地上部干重及吸錳量顯著低於完全分隔。
  2. The industrial competitiveness is analysed above the following aspects : market supply and demond, price competitiveness, comparative superiority, technical potentialities and support policies. we raise some tacticses to the sustained growth of sugar industry, those are superior producing area construction, enhancing the key technical competitiveness, trade protection and support under the frame of wto, particularly disscuss the construction of sugar crop base and quality standard technical barrier. in the end, some policies for the sustained growth of sugar industry are provided

    文中從市場需求、價格競爭、比較優勢、技術發展潛力和政策保障等方而並結合案例分析了我國蔗糖產業發展的競爭潛力;提出了產業可持續發展的策略:建設優勢產業帶、培育核心技術競爭力、在w 』 l ， （ ）框架下實施國內保護和支持，還分析了應用「綠箱」 、 「黃箱」政策加強糖料基地建設和構築質量標準技術壁壘的建議，以及從宏觀方面推動蔗糖業可持續發展的政策措施保障。
  3. So it is considered that root which act as a sort of barrier retards the upwards transform of heavy metal such as lead, arsenic and cadmium, and protects the overground parts of the crop from toxin

    因此認為根作為一種屏障使重金屬鉛、砷和鎘難于向上部分遷移，使地上部分免受其害。
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