森林學原理 的英文怎麼說

中文拼音 [sēnlīnxuéyuánlǐ]
森林學原理 英文
sylvics
  • 森 : 形容詞1. （樹木多） full of trees2. [書面語] （繁密; 眾多） multitudinous; in multitudes 3. （陰暗） dark; gloomy
  • 林 : 名詞1 （成片的樹木或竹子） forest; woods; grove 2 （聚集在一起的同類的人或事物） circles; group 3...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 原 : Ⅰ形容詞1 （最初的; 原來的） primary; original; former 2 （沒有加工的） unprocessed; raw Ⅱ動詞（原...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 森林 : forest; timber; sylva; silva; eng-forest; boscage; bush
  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. Another form of this principle was suggested by physicist freeman dyson of the institute for advanced study in princeton, n. j

    相同原理的另一個形式，來自美國新澤西州普林斯頓高等研究院的物理學家戴森。
  3. On the theories and principles of modern ecology, such as ecosystem ecology, landscape ecology, and mountain science, a division system with four classes were established : forest region, sub - regions, sub - sub - region and small region according to their spatial structure and geographical characteristics of forest ecosystems in yunnan hot regions

    摘要按照雲南熱區森林生態系統的空間結構和地理特徵，應用生態系統學、景觀生態學、山地學等現代生態學的理論和原理，確立了雲南熱區森林地理分區的原則及「森林區」 、 「分區」 、 「亞區」 、 「小區」的4級分區系統。
  4. The indexes of diversity, evenness, dominance, isolation, fragmentation and fractal dimension are used in this study. the landscape structure evaluation was from three levels, which are sub - compartments, compartments and work region. used stores per square kilometer of forest and tm4 remote sensing image the author give the scaling analysis

    根據中山陵森林資源調查數據，在分析其植被景觀現狀的基礎之上，應用景觀生態學原理，結合具體情況和考慮研究的可操作性，選取多樣性指數、優勢度指數、均勻度指數、分離度指數、破碎度指數、分維數指數6個指標，從地類景觀要素、林分類型和小班三個層次，對中山陵景觀進行結構評價初步分析。
  5. Airborne gravimetry is applied to rapidly get extensively and precisely well - distributed information of the earth gravity field in order to meet the needs of geodesy, geophysics, oceanography, exploration, space - science and the other fields. airborne gravimetry includes scalar airborne gravimetry and vector airborne gravimetry. scalar airborne gravimetry is used to get the value of the gravity acceleration, and vector airborne gravimetry can get not only the value but also the direction of the gravity acceleration

    它可以快速獲取精度良好、分佈均勻、大面積的地球重力場信息，而且能夠在一些難以實施地面重力測量的特殊地區如沙漠、冰川、沼澤、原始森林等進行作業，從而能夠滿足大地測量學、地球物理學、海洋學及資源勘探等學科和領域對地球重力場信息的需求，並能為空間科學提供強有力的地球重力場保障。
  6. Alfred marshall justifies the existence of medium and small enterprises by using some of the biological theories, such as the theory of species involution, the theory of metabolism and so on. among them the most noted ones are the law of tress growth in the forest, which is used to describe the development of enterprises ; chamberlain ' s imperfect competition theory, which illustrates the causes for the existence and development of medium and small enterprises ; and alfred marshall ' s " best scale " theory

    馬歇爾根據生物學中的物種進化、循序漸進、新陳代謝原理來分析中小企業存在的依據，其中比較著名的是用森林中樹木生長規律來闡述企業發展原理；張伯倫等人的不完全競爭理論用「產品差別性」說明大企業和中小企業都存在產品差別，產品差別使中小企業得以存在和發展；還有羅賓遜等人的「最佳規模」理論等等。
  7. It elaborates the biodiversity, natural ecosystem and important values for the protection of the northern part of ailaoshan national nature reserve in yunnan for both scientific research and observational location, mainly from several characteristics including special geographic position, abundant fauna & flora resources, integrated & primitive subtropical evergreen broad - leaved forest ecosystem as well as the vital passage for bird migration

    從雲南哀牢山國家級自然保護區北段地區特殊的地理位置、豐富的動植物資源、完整而原始的亞熱帶常綠闊葉林森林生態系統以及重要的鳥類遷徙通道"打雀山"等方面，論述了該區域生物多樣性、自然生態系統及科學研究、觀測場所等方面具有的重要的保護價值。
分享友人
分享到 Line

分享到臉書