four-section ladder中文意思是什麼

four-section ladder解釋
四節梯

  • four: n 1 四人小組;(套在車上的)四匹馬。2 四的記號;(骰子的)四點;(鐘點的)四時;四歲。3 〈pl 〉 ...
  • section: n 1 (外科、解剖的)切斷;切割;切開。2 【外科】切片,【金相】磨石。3 (果子的)瓣。4 【數學】截...
  • ladder: n 1 梯子。2 梯狀物;〈比喻〉(進身的)階梯,成功的手段。3 〈英國〉(襪子抽絲而形成的)梯形裂縫(...

※英文詞彙four-section ladder在字典百科英英字典中的解釋。

  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. The intrusion detection system chooses the misuse detection technology. the main content of the paper is divided into four sections : section 1 mainly explores the windows network architectonics, analyzed the program of ndis, and introduced the main network data capture schema of lower layer ; then introduced the mechanism of packet capture and filter, and analyzed the framework of winpcap in capture and filter packet on the bases of former work

    本論文主要包括四個方面:第一部分主要分析了windows的網路體系結構,剖析了網路驅動介面規范( ndis )的編程,介紹了低層網路數據的主要的捕獲方案:然後介紹了包捕獲和過濾機制;最後在前兩者的基礎上,分析了本系統開發用工具winpcap數據包捕獲和過濾的的結構。
  3. Explain to expectant parents that this study has found small intracranial hemorrhages in about one in four infants delivered vaginally, compared with none among babies delivered by caesarian section

    給期待中的雙親聲明一下,該研究發現經產道出生的嬰兒中四分之一合併小的顱內出血,與之相比,剖腹產無一例並發顱內出血。
  4. 4th : the ladder coconut palm is the rectangular only then tubular design, four sides stress, anti - curved performance fine, is not easy to twist the distortion

    4梯梆為矩形方管式設計,四面受力,抗彎性能優良,不易扭曲變形。
  5. In the four section the author make some suggestions on the problems in the procedure of execution

    本文第四部分主要對目前本罪在實施中出現的問題提出建議。
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