林分形狀高 的英文怎麼說

中文拼音 [līnfēnxíngzhuànggāo]
林分形狀高 英文
forest form height
  • : 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...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • 林分 : [林學] standing forest; stand; crop; forest stand林分測定 inventory of stand; 林分改造 stand conversion
  1. This paper adopts the land use state in2000a ( l : 3 + 104 ), the soil chart ( 1 : 6 + 104 ) and hectometer contour relief map ( include three chongqing area ) of chongqing and geology map ( l : 6 + 104 ) of sichuan province as basic analytical data, measure landscape patches into 7 types including cultivated land, orchard, forestland, unused land, grassland, resident and industry land, water bodies according to land use state basing on land use types, make the landscape map of chongqing karst area by gis software

    本研究是以重慶市1 : 30萬的土地利用現圖( 2000年版) 、 1 : 60萬的土壤圖以及重慶市百米等距的地圖和四川省(包括重慶市) 1 : 60萬的地質圖作為基本析圖件。在土地利用類型的基礎上,依據土地利用現了耕地、園地、地、未利用地、草地、居民工礦用地和水域7類景觀嵌塊體類型,再藉助于gis軟體生成重慶巖溶區景觀圖。
  2. Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers

    發展了「土壤水背景」的概念,並以之為基礎對其各個方面進行了研究,使之成一個相對獨立和完整的體系,主要包括黃土原土壤水的背景值、土壤水背景的區域異、坡面異、鑲嵌結構及其季節異等: ( 1 )由於植被生長發展、演替的基礎階段是天然草被群落,故認為黃土原的土壤水背景在概念上是特指該區天然草被群落下的土壤水況; ( 2 )黃土原的土壤水背景值,根據植被地帶的不同表現出自南向北逐漸降低的規律:森地帶3米以下土層水背景值普遍穩定地於12 ,森草原地帶4米以下土層水背景值穩定大於6 ,且均隨土層的加深水含量逐漸增加,而草原帶的土壤水背景值自土表至底土層一直在4 6之間徘徊。
  3. Based on the serious shortage of soil moisture, soil aridity and vegetation recession in this region, the following issues are studied in this dissertation : ( 1 ) the meaning of soil water and its role in the water circulation ; ( 2 ) soil water deficit and its influence to vegetation growth ; ( 3 ) the definition of soil dried layer and the causes of its formation ; ( 4 ) soil dried layer distribution and characteristics in north of shaanxi loess plateau ; ( 5 ) the primary study of measurable index of soil dried layer

    本論文主要針對黃土原土壤水嚴重虧缺現以及因之而成的土壤干化和草植被衰退現象,主要對以下幾方面的問題進行了研究: ( 1 )土壤水的意義及其在生態系統水循環過程中的作用; ( 2 )草植被土壤水虧缺況及其對植被生長的影響; ( 3 )土壤干層的涵義及成因析; ( 4 )陜北黃土原土壤干層的佈及特徵; ( 5 )土壤干層的量化指標初步研究。
  4. After analyzing the advantages and restrictive factors of its developing of modern agriculture, the guiding ideology is established on the basis of introduction of successful experiences from developed domestic regions and foreign countries. synthetic ecological agriculture code based on the combination of forests, grassland and crop fields, agricultural code of “ company + household or medium + household ” and efficient disaster - proof agricultural code are determined as the developing code of modern agriculture in baicheng city. seven established strategic objectives are as follows : agricultural equipment, appliance of agricultural technology, agricultural industrialization, agricultural management and administration, protection of agricultural ecological environment, income from agriculture, living standard of peasants, adjustment of agricultural structure

    本文從理解現代農業的內涵入手,析了現代農業的概念、特徵和主要態,對白城市農業發展的現,主要包括種植業、業、畜牧業、漁業、農產品加工業、農業基礎設施建設情況和白城市發展現代農業的有利條件及制約因素進行析,借鑒發達國家和國內發達地區的某些成功經驗,確定了白城市發展現代農業的指導思想,把草田綜合型生態農業模式,公司+農戶型或中介組織+農戶型的訂單農業模式,避災型效農業模式確定為白城市現代農業發展模式,樹立了在農業裝備、農業科技應用、農業產業化、農業經營管理、農業生態環境保護、農業收入及農民生活水平提、農業產業結構調整等七個方面的戰略目標。
  5. ( 2 ) parts of the area show apparent local climatic properties because of the influence of topography, landcover, and so on. precipitation in mountainous and forest area is usually more affluent than in vicinity, this creates a typical mosaic structure of precipitation distribution like the islands. ( 3 ) soil water is the most significant form of water resources, which is the only water for vegetation uptake

    析結果顯示: ( 1 )黃土原地區的降水佈自東向西、自南向北逐漸減少,東南部可達900多毫米,西北部最低則僅約100毫米,表現出顯著的大陸性氣候特徵; ( 2 )由於地等因素的影響,山地森等局部地區小氣候特徵明顯,降水量於周圍地區,結果成降水的島鑲嵌結構; ( 3 )土壤水是黃土原最重要的水資源之一,它是該區植被水利用的重要資源。
  6. Now that ffos study is about the changes of russian higher educational system, it naturally involves the impact on which the whque traditional culture of russia brings. chapter one explores the inheritance of russian higher educational system tyom its history, main1y the study neatens and abstracts the theories and practices of the two special periods in russian history f the periods of peter i to ekarerina and the period of leninstalin. from the neatening and absttaction, the author tried to sununarize the actuality existed before the changes, e - g

    第一章析俄羅斯等教育體制變革對歷史的繼承;主要對歷史上「彼得一世?葉卡特琳娜一世」和「列寧?斯大」這兩個巨變而又富有影響的歷史時期,在發展和改革等教育的作法與思維方面進行梳理和提煉;從中找出變革等教育體制前的況,如對等教育實行意識態控制,對等教育實行行業部門管理,對級專門人才的計劃性對口培養,對工科等教育的政策傾斜等等;這些現象集中反映了國家對等教育的過介入。
  7. A good forest structure could improve the even degree and range of distribution obviously, and improve the porosity ; the fractal dimension ( fd ) and mean weight diameter ( mwd ) could sign the soil structure feature objectively

    良好的結構能明顯提土壤粒徑的佈均勻程度與范圍,改善土壤孔隙況;維數和重量平均直徑能比較客觀地表徵土壤結構特徵,是較為理想的土壤結構測定指標。
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