single species 中文意思是什麼

single species 解釋
單一種
  • single : adj 1 僅只一個的，單獨的；單式的；【植物；植物學】（花等）單瓣的；【無線電】單工的，單次的。2 獨...
  • species : n. 〈sing. , pl. 〉1. 種類；【生物學】（物）種。2. 【邏輯學】種。3. 【原子能】核素。4. 【法律】形式。5. 【宗教】聖餐物。
  1. As in many widely separated families of plants, single species and single genera possess the power of revolving.

    在系統相距甚遠的許多不同科植物中，常常有一個單獨的種或屬具有這種盤繞的能力。
  2. Another feature of chiku s rich natural environment not to be missed is the rare single - species forest of grey mangrove avicennia marina in the mangrove conservation area at the mouth of the chiku creek. the forest is home to thousands of egrets and black - crowned night herons, which live here throughout the year

    七股鄉豐富的生態資源，當然少不了位於七股溪出海口的紅樹林保育區，保育區中擁有珍貴的海茄?紅樹林純林，以及終年棲息的上萬只白鷺鷥與俗稱暗光鳥的夜鷺。
  3. Dusky thrush ( turdus naumanni ), common magpie ( pica pica ), bohemian waxwing ( bombycilla garrulus ), grey - faced woodpecker ( picus canus ) mainly consists of single species, and the average population size is 6. 26 individuals ( 1989 - 1990 ) and 7. 44 individuals ( 2001 - 2002 ), the mixed species population mainly consists of great tit ( parus major ), marsh tit ( parus palustris ), eurasian nuthatdch ( sitta europaed ), the average species number is about 3, average number is 7. 4 individuals

    冬季鳥類的集群明顯，單種群主要為長尾山雀、斑鴉、喜鵲、太平鳥和黑枕綠啄木鳥群，每群平均個體數為6 26隻門? 1990年）和7 44隻（ 2001 2002年） ，混合群主要由大山雀、沼澤山雀和普通幅構成，每群平均種數在3種左右，平均個體數在7
  4. In a single-species fluid, the subscript may be dropped.

    對于單組分流體，這個下標可以省略。
  5. Both single species and whole groups of species last for very unequal periods.

    單獨的物種以及整個的物種群存續的時期極不相等。
  6. In this paper we study the single - species chemostat model with time dilay. based on [ 8 ], we analyze the hopf bifurcation of the system which take the diluton as a parameter, and we obtain that under the conditon of the existence of positive equilibrium and if the dilution is too big or too small, the system will appear hopf bifurcation

    在文[ 8 ]的基礎上，以模型中的流量為參數進行了hopf分支分析。得出了在正平衡點存在的條件下，當流量較大或較小時，系統的正平衡點附近會產生hopf分支，並應用中心流形和規范形理論給出了分支方向及分支周期解穩定性的計算公式。
  7. The percentage of families with single genus and genera with single species is considerably large, and the rate of endemic species to china is 6. 12 %. all these demonstrate the complexion of hepaticae - flora and the ancient character of origin of bryophytes in hebei

    河北省苔類區系中現存的單屬科、單種屬比例較大，多為處于演化終極的只有少數殘遺種的科屬，這反映了本省苔類植物區系起源的古老性。
  8. A good attitude, clean and the prices high, single species, a large number of people waiting time is too long. 12 : 00 to school after no dishes, as soon as possible to solve the problem

    以服務態度好，干凈，價格偏高，品種單一，人多，等待時間太長，到中午12點下課后就已經沒有菜了，盡快解決問題。
  9. The effects of single - species " films may be the function of the character of the bacterium or the function of their exopolymers

    單種菌株的菌膜所表現出的誘導或抑制作用，可能是細菌本身的特性的表現，也可能是它所分泌的胞外產物的作用。
  10. In [ 26 - 30 ], the optimal harvesting policies that maximized the sustainable yield for autonomous single - species harvesting models were studied

    文獻[ 26 - 30 ] ，討論了自治單種群捕獲模型，以最大可持續捕獲量為管理目標，得到了最優捕獲策略
  11. In [ 21 - 25 ], the optimal harvesting policies for autonomous single - species harvesting models were studied, which maximized the sustainable yield and economic rent respectively

    文獻[ 21 - 25 ] ，討論了自治單種群捕獲模型，分別以最大可持續捕獲量和最大凈利潤為管理目標，得到了最優捕獲策略
  12. The optimal harvesting policies that maximized the sustainable yield for nonautonomous single - species harvesting models, which had a unique globally asymptotically stable periodic solution, were obtained by fan meng [ 15 ] and li hailong [ 16 ]

    文獻[ 15 ] [ 16 ]討論了非自治單種群捕獲模型，在周期解存在唯一及全局漸近穩定前提下，為獲得最大可持續捕獲量，而得到最優捕獲策略
  13. The number of mixed species population is twice as many as single species population

    4隻左右。混合群的數量是單種群數量的2倍。
  14. Other animals include the red deer, fox, badger, rabbit, otter, grey seal, common seal, red squirrel, hedgehog and many bat and cetacean species. the only amphibians are a single species each of frog, toad and newt. there are no snakes in

    其它動物包括紅鹿、狐貍、獾、兔子、水獺、灰海豹、普通海豹、紅松鼠、刺蝟和很多蝙蝠類和鯨類動物。唯一的兩棲動物是青娃、蟾蜍和蠑螈，且都只有一個品種。
  15. Regulation of forestry structure emphasizes on forestry protection for environment, with selecting suitable tree seedling and grass seeds, and forming views of plant community to avoid single species of tree seedling and grass seeds. forestry protection for environment should not be below 60 %, and economic forestry no more than 20 %

    林業結構調整要堅持的生態防護林為主，不低於60 ，控制經濟林不高於20 ，要選擇適地樹種和草種，還林還草要樹立植物群落思想，避免林、草品種單一化種植模式。
  16. China is is actively encouraging tree planting, but fast - growing, single species forests threaten china ' s wildlife and biodiversity

    中國在大力鼓勵植樹造林，但速生豐產林和人工純林的發展對中國的野生物種和天然林生物多樣性造成了威脅。
  17. The temporal and spatial dynamics of a single species metapopulation is modelled by a model. the stability of spatial distribution of the population and relationships between the stable patchy distribution and migration rates and finite rate of growth of subpopulations are also investigated. finally measures to boost the growth of total population are presented through the model and analysis of the model

    通過模型模擬了呈一般綴塊分佈的單種種群的時空動態.討論了種群空間分佈的穩定性及穩定綴塊分佈與種群在綴塊間遷移率和子種群增長率之間的關系，並由此提出了促進全局種群增長的措施
  18. In [ 17 - 20 ], some single - species models of growth were given

    文獻[ 17 - 20 ] ，給出了一些單種群增長模型
  19. There are documents that showed two instable patches can reach stability by diffusion. delay is generally exists in the nature. and it has different impacts on different models. while both delay and diffusion exist at the same time. so single species nonautonomous delay diffusion model. i. e

    已有文獻表明兩個不穩定的斑塊體系可以通過相互擴散而達到種群的持續生存。另一方面，時滯現象在自然界中是普遍存在的對于不同的模型，時滯對其穩定性的影響也是不同的。
  20. On stability and chaos of discrete population model for a single - species with harvesting

    一類具有收獲的離散單種群模型穩定性與混沌
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