裸源 的英文怎麼說

中文拼音 [luǒyuán]
裸源 英文
naked source
  • : 形容詞(露出; 沒有遮蓋) exposed; naked; bare; nude
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  1. Therdly because of the influence of terrain and geological structure, arenaceous resources of different regions are different in mu us. sands are mainly from riverway in northwest ; from efflorescent cretaceous sandstone on account of higher topography in the middle part of mu us ; and sands resources are intricated in southeast, mainly including riverway sands, sands blown by the wind and embedded sands under so

    3 、毛烏素沙地因受地形和地質構造影響,不同區域的砂質來情況不盡相同,西北部地區主要為河道沙;中部地區地勢較高,為白堊系基巖露而風化成沙;東南部地區沙質來情況復雜,主要有:現代河道砂、風積沙、也有埋藏在現代壤土之下的出露古沙。
  2. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究,通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草巖、農作物植被等類型進行分佈面積的統計,在此基礎上,以林產品價值、涵養水價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據,對已成林的針葉林與闊葉林進行森林生態系統的價值估算,得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元,參照這一生態價值量,把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
  3. The ratio of the flux emitted within the solid angle defined by the beam spread, to the bare lamp flux

    由光束角限定的立體角內輻射出的光通量與光通量之比。
  4. Hofmeister aso showed that the gametophytes and sporophytes of seed - bearing plants were homologous with those of ferns and mosses and that the gymnosperms formed a plant group between the latter and the angiosperms

    他認為種子植物的孢子體和配子體與蕨類以及苔蘚類是同的,還指出子植物形成了一個單獨的組群,它是位於蕨類植物與被子植物之間的一個植物類群。
  5. It divides the main vegetation of the headwater region of huangpu river into 4 categories based on field survey and observation and methods of factor analysis and systematic cluster analysis and according to the degree of soil and water conservation function : deciduous trees and shrubs are category 1 which shows very strong soil and water conservation function ; tea plantation, grasslands and pine trees are category 2 which has stronger function ; the category 3 is moso bamboos and broadleaved evergreen trees which have stronger permeability and erodibility, but the permeable performance is not outstanding, the capacity of soil moisture storage common and soil and water conservation function moderate and ; the category 4 is uncovered land where the soil and water conservation function is very weak and its permeability, erodibility, erosive resistance and soil moisture storage capacity are all notably smaller than that of the other lands

    摘要在野外調查、實測的基礎上,採用因子分析、系統聚類分析的方法,根據土壤層水土保持功能的強弱,將黃浦江區主要植被類型分為4類:落闊林、灌木林為第一類,表現出很強的水土保持功能;茶園、草地、松林為第二類,土壤水土保持功能較強;毛竹林、常綠闊葉林表現出較強的抗蝕性和抗沖性,但滲透性能並不突出,土壤貯水能力也一般,水土保持功能中等,為第三類;露地水土保持性能很差,單獨作為第四類,其滲透性、抗蝕性、抗沖性、土壤水庫容都顯著小於其他各樣地。
  6. In the present survey and valuation the area is divided into three parts : exposed karst region in upwarped distric, karst region controlled by folded structures near depressed belts and blinded karst region in fault basins

    目前開展的可有效利用的地下水資調查評價將該區劃分為隆起帶露巖溶分佈區、沉降帶邊緣褶皺構造控制巖溶分佈區和斷陷盆地隱伏巖溶分佈區。
  7. The loss will be decreased by using single - mode fiber or poledzation holding fiber in recent work we measured the verdet constant of the samples and tested the chederistic of magnetic - optical glass bare fibel then, we analyzc the resource of ermrs, which are coupling effect, stability of the light source, polarizers, defects of the magnetic - optical glass flber and coupling effects between different modes

    採用單模光纖或偏振保持光纖將降低損耗。論文測試了樣品的費爾德常數,研究了磁光玻璃光纖的偏振特性。分析了誤差的主要來:耦合效果、光的穩定性、偏振片對光路的影響、光纖自身缺點和模式耦合的影響。
  8. So it is chiefly that soil co2 concentration and its influencing factors should be studied in ordered to learn the mechanism of epikarst ecosystem and global carbon cycle. karst dynamics laboratory, ministry of land and resources, has been studied the mechanism of seven typical epikarst ecosystem and global changes through igcp 299 ( geology, climate, hydrology and karst formation, 1990 - 1994 ) and igcp 379 ( karst processes and the carbon cycle, 1995 - 1999 ) to igcp 448 ( world correlation of karst ecosystem, 2000 - 2004 ), while observation and analysis and research of epikarst ecosystem in mt. jinfo have just been beginning. the thesis analyzes that based - on observational point of green pond and deep dell in the west slope of jinfo mountain, co2 concentration and regularity of epikarst ecosystem contrasting woodland with uncovered land have been studied through the observation of temperature and humidity and co2 concentration

    國土資部巖溶動力學開放研究實驗室以igcp229 、 igcp379和igcp448項目為依託,開展了我國7個典型的表層帶巖溶生態系統運行規律及其全球變化影響研究,而其中金佛山的觀測、分析與研究則才剛剛起步,本文以金佛山西坡摘公碧潭幽谷為觀測點,主要通過coz濃度、溫度和濕度的觀測,開展林地表層帶巖溶生態系統與地表層帶巖溶生態系統coz濃度特徵及其變化規律的對比研究,這對進一步深入研究巖溶生態系統運行機制和全球碳循環以及開展全球巖溶生態對比有著重要意義。
  9. A large area of bare sandland distributed in beijing and its surrounding areas is one of sand source areas which contributes to high - frequent sand storms in beijing in recent years, whereas increasing of surface coverage condition is one of effective measures to lessen local blown - sand activities

    摘要北京及其周邊地區分佈的大量露沙荒地是北京近年來沙塵暴頻發的主要沙之一,而增加其地表覆蓋狀況則是遏止就地揚沙起塵的有效措施之一。
  10. At present, our main products consist of power cable, communication optical cable, wire and cable for electric equipment, control cable, aerial insulated cable, coaxial antenna, wire and cable for electronic equipment, power supply cords, fire performance cables, bare wire, pvc

    總廠目前可生產電力電纜通信光纜控制電纜架空絕緣電纜電氣裝備用電線電纜同軸電纜電子電器配線汽車線電機引接線電插頭線阻燃耐火系列電纜電纜料電線等產品。
  11. The carpel is homologous with the megasporophylls of certain spore - bearing vascular plants ( pteridophytes ) and the ovuliferous scales of gymnosperms

    心皮和能產生孢子的維管植物(羊齒類)還有具胚珠的子植物的大孢子葉是同的。
  12. Through investigation to west lake spot in huizhou, it showed that the pot had 127 species woody plant which belong to 48 families, including 6 families 8 species gymnosperm and 42 families 118 species angiosperm

    摘要通過對惠州市西湖風景區的木本植物資的調查,結果表明該景區的木本植物種類總類為48科127種,其中子植物有6科8種,被子植物有42科118種。
  13. Ginkgo biloba, which is now unique in ginkgopsida, is referred as a " living fossil " plant. as a wild species, ginkgo biloba is native to china

    銀杏( ginkgobilobal . )是子植物銀杏綱中唯一現存的中生代孑遺植物,在中國具有悠久的栽培歷史,種質資豐富,具有重要的經濟價值和植物系統學價值。
  14. In a world full of sbcs with loose power leads, giant " wall wart " power supplies, elaborate power requirements, and exposed chips, it s nice to have a box where, once the hard drive is in it, it takes a standard electrical outlet two - prong, even, for those of you in older houses and just works

    在一個全部由sbc組成的世界中,有鬆散的電線,巨大的「 wall wart 」電,復雜的電要求,以及露的晶元,最好有一個機箱,這樣,一旦裝入了硬盤驅動器,它使用標準的插座(甚至是兩個尖頭的那種,用於老房子之中的)就可以正常工作。
  15. The new genetic laws observed recently in the ion - beam - induced wheat, and the advance in wheat breedings through ion - beam - mediated transfer of null dna molecule, were also presented thus pointing out the critically unsolved questions and perspectives of ion beam technology in the field of wheat breedings

    還介紹了最近發現的離子束誘變小麥遺傳新規律和離子束輔助外露大分子dna轉移在小麥育種中的新進展,提出了離子束生物技術在育種領域急待解決的問題和應用前景。
  16. Successful experiments have been demonstrated in arobidopsis, aspen, rice and citrus. although ginkgo is an old gymnosperm, its leafy ortholog will perhaps controls flowering time

    雖然銀杏是較古老的子植物,但由於leafy基因的保守性,銀杏leafy同基因也可能調控著銀杏開花的時間。
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