生態指示種 的英文怎麼說

中文拼音 [shēngtàizhǐshìzhǒng]
生態指示種 英文
ecological indicator
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 指 : 指構詞成分。
  • 示 : Ⅰ動詞（擺出或指出使人知道; 表明） show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] （給...
  • 種 : 種名詞（姓氏） a surname
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  • 指示 : 1 （指給人看） indicate; point out2 （指示下級） instruct 3 （指示的話或文字） directive; instruc...
  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 assembly process of every sample can been displayed dynamically, and exploded views can been made ; i can exchange part of assembly according to demand ; a drawing for a three - claw chuck is also made, an interchange of pro / engineering and autocad is gave

    每一種樣機都能動態顯示其裝配過程，還能產生各自的爆炸圖；根據需要能更換整機的配件；還用pro engineering製作了一張三爪卡盤的工程圖紙，指出了pro engineering和autocad的文件交換方法。
  3. Results as following : in the east china sea and the yellow sea, zooplankton showed higher diversity in the low latitude and warm species occurred mainly in the south of 31 n, five communities were distinguished by twinspan method, based on data of species composition and environmental factors. they are : i ) yellow sea neritic community ( f ) with indicator species of labidocera euchaeta in autumn and centropages mcmurrichi in spring ; ii ) yellow sea central community ( hc ) with indicator species of themisto gracilipes, calanus sinicus and euphausia pacifica, the latter two species occurred only in autumn ; iii ) east china sea continental shelf mixed water community ( k ) with indicator species such as rhincalanus cornutus and pterosagitta draco which were confined in waters with high temperature and salinity, iv ) yellow sea and east china sea mixed water community ( he ) and v ) east china sea inshore mixed water community ( m )

    根據twinspan等多元分析結果，比較各組群的浮遊動物種類組成和環境特徵，可將東、黃海浮遊動物群落分為5個，黃海沿岸群落（ f ） ，指示種秋季為真刺唇角水蚤，春季為墨氏胸刺水蚤；黃海中部群落（ hc ） ，指示種以細長腳蟲戎為主，秋季還有中華哲水蚤和太平洋磷蝦；東海外陸架高溫高鹽群落（ k ） ，指示種為角錨哲水蚤、飛龍翼箭蟲等多種狹布型暖水種類；黃東海交匯區群落（ he ）和東海近岸混合群落（ m ） ，兩群落包含多種生態類型種類，其中溫帶近岸低鹽種在he中較多，廣布性暖水種在m群落中較多。
  4. Pyramid of biomass a type of ecological pyramid based on the total amount of living material at each trophic level in the community, which is normally measured by total dry weight or calorific value per unit area or volume, and shown diagrammatically

    生物量金字塔：指基於群落每個營養水平上有生命的物質總量的一種生態金字塔類型，通常通過總干重或者每單位面積或體積的生熱量值來衡量，並用圖表表示出來。
  5. The water quality state was evaluated with shannon - weaver index and some indicators of periphyton, and results showed that the nutrient type of daoguanhe rerservoir was mesotrophic type, and it had a tendency to develop to the eutrophic type

    11 .依據周叢藻類多樣性指數及周叢生物某些指示種類評價該水庫水質狀態，判定為中營養型，並有向富營養級演化的趨勢。
  6. In the course of developing and before application, the performance of carrier - borne aircraft illuminated guidance system under the environmental state of movement should be tested firstly, especially the performances and state measures of glide indicator, rolling indicator and gyrohorizon which offer ship ' s movement postures to carrier - borne aircraft in the illuminated guidance system, this needs to offer a artificial carrier on the land that can imitate ship ' s movement in the water. at present, simulating table only has single degree of freedom at home application to carrier - borne aircraft illuminated guidance system which need change test and measurement situation and adjust benchmark in the course of experiment

    艦載機燈光引導系統作為艦載機著艦引導特輔裝置是載機艦船上不可或缺的特種裝置，是保證飛行員的生命安全和艦載機安全回收的重要手段。其在開發過程中以及正式安裝使用前，首先要通過在運動環境狀態下的性能測試，特別是燈光引導系統中為艦載機提供艦船運動姿態的下滑指示器、橫搖指示器以及陀螺地平儀的性能和狀態檢測，這就需要在陸地上為它們提供一個可模擬艦船在水面運動的載體。
  7. From the angle of utility of environmental resources, it points out that the reality of conflicts between the environment and the economy results from the competition between the productive utility and the survival utility of environmental resources. it puts forward that it is the key to sustainable development of the environment to achieve equilibrium of two kinds of utility. it also studies the character of dynamic equilibrium between the sustainable developing environment with the economy and works out a dynamic equilibrium model in all conditions

    第二部分主要是論文的第二章，研究了可持續發展關于環境的命題，從環境資源的效用研究角度，提出了環境與經濟之間沖突的實質，是環境資源的「生產性效用」和「生存性效用」之間的競爭性引起的觀點；揭示了環境資源兩種效用沖突引起環境與經濟沖突的現實表現，指出實現兩種效用的均衡是實現環境可持續發展的關鍵；研究了可持續發展環境與經濟的動態均衡特性，提出了各種狀態下的動態均衡模型，本部分的研究為研究環境政策提供了理論依據。
  8. It is found ecn could n ' t solve the problem that the sender responds to congestion slowly, and the average queue length of router is sensitive to the static parameters of ecn. in chapter four we propose an algorithm called fecn, which provides congestion control and indication messages in router, so that the sender could response to congestion in good time. this algorithm can also adjust the max drop probability according to the active conne

    Ik的特性，而且平均隊列長度和網路吞吐量對ecn的靜態參數較為敏感，因此本文在第4章中提出了一種fecn演算法，該演算法在路山器處提供擁塞控制和指示機制，使源端能夠快速響應路由器發回的擁塞指示消息，調整發送速率，避兔擁塞的發生，該演算法還可以通過估計鏈路中的活動連接數動態調整最大丟棄概率。
  9. Furthermore, aqm also need to avoid sending congestion notification to too many sources and consequently decreasing the utilization of bottleneck link. therefore the sending rate of congestion notification should relate to the traffic load but red does n ' t take this factor into consideration thereby resulting in queu e size oscillate which arose queuing delay and jitter

    具體說來， red演算法中擁塞指示的發送速率主要是由參數max _ p來體現的，並且max _ p值是靜態設置的，所以當流量負荷發生改變時red演算法難以適應這種變化，從而會引起隊列振蕩，導致不必要的傳輸延遲和抖動現象。
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