first pruning 中文意思是什麼

first pruning 解釋
第一次剪枝
  • first : adj 1 最初的,最早的。2 最上等的,第一流的。3 基本的,概要的。4 高音(調)的。n 1 最初,第一;第...
  • pruning : n. 1. (樹等的)修剪。2. 【電學】切斷分路。
  1. Tetranychus viennensis zacher in trunk were concentrated in old crack barks and girdling cracks. tetranychus viennensis zacher in first and second limbs were concentrated in the boundary of axial shoot and stem, axial shoot and center trunk, girdling cracks, pruning wound and aerial roots et al. these tetranychus viennensis zacher were distributed mainly in the shady side of the branch

    主幹上的山楂紅蜘蛛主要集中在老翹皮下及環剝裂縫內,分佈於第1 、 2層主枝上的紅蜘蛛主要集中在主枝與主幹、主枝與中心干交界處、環剝裂縫、剪鋸口、氣生根等處,且主要分佈在枝條的背陰面(下部) 。
  2. In order to decrease expenditure and increase total economic efficiency, the key technique consisted of a complete sets of base fertilizer heavily, stabilizing n, increasing p and k, herbicide, coordinating of irrigation, fertilization and dpc regulation in first - flowering time, water - saving by furrow irrigation, simple pruning of cotton plants, chemical accelerating the ripening and so on

    以重施基肥,穩氮增磷增鉀,化學除草,初花期水、肥、控同步,溝灌節水,簡化整枝及化學催熟等項技術組裝配套,達到節支省工,提高整體經濟效益。
  3. This paper first illustrated some typical algorithms for large dataset, then gave off a processing diagram in common use second, for the dataset with large quantity and many attributes, we renovated the calculation method of the attribute ' s statistic information, giving off a ameliorated algorithm this thesis consists of five sections chapter one depicts the background knowledge and illustrates the position of data mining among many concepts also here is the data mining ' s category chapter two describes the thought of classification data mining technique, puts forward the construction and pruning algorithms of decision tree classifier chapter three discusses the problems of adapting data mining technique with large scale dataset, and demonstrates some feasible process stepso also here we touches upon the combination r - dbms data warehouse chapter four is the design of the program and some result chapter five gives the annotation the conclusion, and the arrangement of future research

    本論文的組織結構為:第一章為引言,作背景知識介紹,摘要闡述了數據挖掘在企業知識管理、泱策支持中的定位,以及數據挖掘的結構、分類;第二章講述了分類數據挖掘的思路,重點講解了泱策樹分類器的構建、修剪,第三章針對大規模數據對數據挖掘技術的影響做了講解,提出了可採取的相應的處理手段,以及與關系數據庫、數據倉庫結合的問題;第四章給出了論文程序的框架、流程設計,以及幾個關鍵問題的設計;第五章對提出的設計進行簡要的評述,做論文總結,並對進一步的研究進行了規劃。
  4. Incorporated with the project " embedded computer special software ", this paper mainly analyzes the system bios at first, implements the pruning, addition and modification to the modules of system bios, and studies the startup procedure of linux and the integration technology into diskonchip of it

    本文結合橫向課題「嵌入式計算機專用軟體」 ,圍繞著加快系統bios啟動速度的目標,重點對系統bios技術展開了深入的研究工作,實現了bios模塊的裁減、添加和修改,並對linux系統的啟動和在diskonchip中的集成進行了研究。
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