dominant selection system 中文意思是什麼

dominant selection system 解釋
顯性選擇系統,優勢選擇系統
  • dominant : adj 1 支配的，統治的；有權威的。2 最有力的，占優勢的；主要的；突出的，超群出眾的。3 居高臨下的，...
  • selection : n. 1. 選擇；挑選；選拔。2. 拔萃；選擇物；精選物[品]；文選。3. 【無線電】分離，（自動電話）撥號。4. 【生物學】選擇，淘汰。
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. In the article, the foreign and domestic food - grade selection markers system, including dominant selection markers and complement selection markers were reviewed, in order to provide valuable references for the further study of the food - grade selection markers system

    本文對國內外己構建的食品級篩選標記系統，包括抗性篩選標記系統、互補型篩選標記系統進行了綜述，以期對食品級篩選標記系統的進一步研究提供有價值的參考。
  2. Based on typical sample, soil survey, environment survey and soil physical - chemical analysis, under the direction of chinese soil taxonomy, according to the principle of stability, discrepancy, dominant and integration of soil series taxonomy, applying to methods of statistic analysis and system integration, the selection of indexes of soil series taxonomy of hydragric anthrosols in chengdu plain soil series taxonomy soil series naming and index were systemically sturied. the results showed : ( l ) the main affectoi of hydragric anthrosols soil series in chengdu plain were : soil structure in 100cm soil depth ; fe2o3 ( dcb ) ; the texture of hydragric epipedon ( cultivation horizon ) ; the proportion of clay and salt in hydragric epipedon ( cultivation horizon )

    本文以成都平原主要水耕人為土為例，在中國土壤系統分類思想的指導下，通過典型采樣、土壤詳查、環境調查和室內理化分析，遵循土系分化影響因子的穩定性、差異性、主導性及綜合性等原則，利用統計分析和系統綜合分析等方法，對水耕人為土的土系劃分指標選取、土系劃分、土系命名及檢索等作了較為系統的研究。
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