退化種 的英文怎麼說

中文拼音 [tuìhuàzhǒng]
退化種 英文
regression species
  • 退 : 動詞1 (向後移動) retreat; draw back; move back 2 (使向後移動) cause to move back; remove; wit...
  • : 種名詞(姓氏) a surname
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  1. This difference is often accompanied with the partial or complete abortion of the reproductive organs.

    差異往往伴隨著生殖器官一部分或全部的退
  2. 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指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,學肥力退指標(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。
  3. This text firstly wields theories and ploys as strategical administration matrix, balance - point of profit and loss, five competitory models and burgeoning strategical administr ation, which is to make a comparatively embedded analysis on broadband inside - and - out side condition including technical level, consumer characters, competitive status and mark eting status, etc, to bring forward available correspondence hypothesis of consumere and to put forward two ways - out for small - and - medium sized providers by swot matrix and big strategy matrix. one is gradualism retreat tactic. considering the particularity of broadband network industry, this text gives the design of gradualism retreat pattern. the other is incorporate strategy of scale domino and much more effective negotiationchip. especially, this text puts emphasis on discussion of incorporate implement methods, proposing to adopt the way of demanding contrast prise - fixing and output pluralism of products so as to induce the consumers to cut down marketing breeding periodicity, use crm to establish core competity for small - and - medium sized providers and simultaneously lay a foundation of next commingle dealing in this field

    本文運用戰略管理理論中戰略管理模型、價值鏈、盈虧平衡點、五競爭力模型、新興產業戰略管理、市場營銷學等思想理論和方法,對寬帶網產業內外環境(包括技術、競爭狀況、市場狀況等)進行詳細分析,總結了中小型寬帶網運營商在市場營銷、資源配置、經營成本、產品結構、政策管制等幾個方面的優劣勢,並析出其中的關鍵因素,運用大戰略矩陣、 swot分析矩陣,提出中小型寬帶網運營商一進一退截然不同的發展戰略,即「漸進式退出」策略和「一體」策略。
  4. The program will have to eradicate the agricultural misery in the north amazon region and northeast arid region, expect that the culture of short cycle is substituted by permanent cultures and try to construct a energy forest with native oil been plants in the amazon region where about 200 million hectares of deforested lands are degrading

    他介紹了巴西的生物柴油計劃,包括扭轉巴西北部亞馬遜地區和東北部乾旱地區落後的農業,以可持續的生產方式替代短期的生產方式,並提到巴西亞馬遜地區有約2億公頃被砍伐后正在退,有可能在這些土地上植當地的產油作物,形成一個產能可以供應整個歐盟生物燃油需求的能源作物林。
  5. In all hassock communities, species richness was high in ruderals but was low in typical degraded hassocks

    雜類草草從具有較高的豐富皮指數,而演替到較為穩走的退草叢物豐富度指數呈下降趨勢。
  6. The tested isozymes included esterase ( est ) 、 superoxide dismutase ( sod ) 、 malate. dehydrogenase ( mdh ) 、 malic enzyme ( me ) 、 glutamate dehydrogenase ( gdh ) 、 peroxidase ( per ) and alcohol dehydrogenase ( adh ). there were obvious differences between the normal strain and its degenerative strain in est 、 mdh 、 me 、 sod. the zymotype were the same in the other isozymes. the results were not only used to test the degenerative strain at young stage, but also as the theoretical base to study the genetic mechanism of the degenerative strain

    而其餘四酶在正常菌株和退菌株中酶譜一致。本研究不僅可以作為菌株退早期鑒別的手段之一,而且為進一步研究菌退遺傳機理提供了蛋白質水平上的一些理論依據。
  7. Fungi form mycorrhizae in plant roots and the hyphae take in carbon from plants through their epidermal cells and move mineral nutrients and water from soil to their epidermal cells ; this symbiosis is of high importance in studying biodiversity conservation, the origins and evolution of terrestrial plant, the rehabilitation and reconstruction of degenerated ecosystems, agriculture, horticulture and forestry

    真菌在植物根系形成菌根后,菌絲通過根的皮層細胞獲取植物提供的碳源,同時將礦物營養和水從土壤轉運到皮層細胞,這共生過程的研究在生物多樣性的保護、陸生植物的起源與演退生態系統的修復與重建以及農業、林業和園藝業的應用具有重要的意義。
  8. The humankind is troubled seriously by a series of environmental problems, such as air pollution, ozonosphere destruction, glasshouse effect, acid rain, water pollution, land pollution and soil erosion and so on. all of these will stop our economy developing

    大氣污染、臭氧層破壞、溫室效應、酸雨頻繁、水污染、土地污染、水土流失、草原退、森林急劇減少、珍稀動植物滅絕、沙漠急劇擴大等一系列環境問題嚴重困擾著人類,各公害接二連三地侵襲人類,再這樣下去,經濟將變成無源之水、無本之木。
  9. The cat, named cinnamon, is descended from lab cats bred to develop retinitis pigmentosa, a degenerative eye disease that causes blindness and which affects 1 in 3, 500 americans

    這只名為肉桂的貓咪,父母都是實驗室動物,先天帶有視網膜色素變性病癥這病是會引發眼盲的退性眼睛疾病,每3500個美國人中就有1人罹患。
  10. Storage and composition of soil seed banks of different degraded karst vegetation types in south - eastern yunnan

    滇東南巖溶山地退植被土壤子庫的儲量與組成
  11. Device degradation behaviors of typical - sized n - type metal induced lateral crystallized polycrystalline silicon thin film transistors were investigated under two kinds of dc bias stresses : hot carrier stress and self - heating stress

    本文主要研究了典型尺寸的n型金屬誘導橫向結晶多晶硅薄膜晶體管在兩常見的直流應力偏置下的退現象:熱載流子退和自加熱退
  12. Particularly, cr4 + - doped crystals as passive q - switch ( saturable absorber ) have got extensive attention, such as cr4 + : yag , cr4 + : gsgg , cr4 + : mg2sio4 and cr4 + : yso, which have the advantages of wild absorption band, good saturable absorption, long restored time, good photo - chemical stability, no fading, good thermal conductivity and high damage threshold

    特別是近年來,摻cr4 +離子的各晶體如cr4 + : yag , cr4 + : gsgg , cr4 + : mg2sio4和cr4 + : yso等作為被動調q開關受到了廣泛的關注。它們具有很寬的吸收帶和良好的飽和吸收性質,恢復時間較長,光學性質穩定,無退現象,熱導性好,損傷閾值高。
  13. The atypia is degeneratie and not obsered in the seminal esicles of young men

    非典型現象屬于自然退性表現,在青年男性的精囊是看不到的。
  14. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造,設計了四類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。
  15. Now it must be taken for granted that simplicity of life and thought is the highest and sanest ideal for civilization and culture, that when a civilization loses simplicity and the sophisticated do not return to unsophistication, civilization becomes increasingly full of troubles and degenerates

    現在我們必須承認:簡樸的生活和思想是文明與文的最高境界,當一文明失去了它的簡樸性而且久經事故不再回歸質樸,文明就會愈加充滿問題並且逐步退
  16. Hip dysplasia is a terrible genetic disease because of the various degrees of arthritis ( also called degenerative joint disease, arthrosis, osteoarthrosis ) it can eventually produce, leading to pain and debilitation

    髖關節發育不全是一嚴重的遺傳疾病,伴隨著于不同程度的關節炎(也可以被稱為退性關節疾病) ,最終可能會引起犬只的疼痛與衰弱。
  17. Obesity is associated with many diseases, such as high blood pressure, high blood lipid, diabetes, obstructive sleep apnea, coronary heart disease and degenerative arthritis

    肥胖會引起多疾病,包括高血壓、高血脂、糖尿病、阻塞性睡眠窒息癥、冠狀動脈心臟病及退性關節炎。
  18. Examples include the scale leaves of parasitic flowering plants or the reduced stamens in females of dioecious species

    例如:寄生有花植物的鱗葉;雌雄異株類的雌株的退雄蕊。
  19. The study of different deteriorated grasslands showed, although occurring genetic differentiation and reduced genetic diversity, biodiversity in deteriorated population can still maintain a high level. additionally, it had gene exchanges with normal populations. the deteriorated grassland can restore its vegetation as normal if rational management was adopted

    不同退系列,克氏針茅群雖發生了遺傳分,遺傳多樣性略有降低但仍維持較高的水平,且與正常草地間有基因流,只要採取合理的草地利用措施,減輕放牧壓力,退草地即可恢復,若採取人工補播正常子,將會加快退化種群的恢復進程。
  20. Plant minimization was apparent in heavy deteriorated populations

    重度退化種群,植株小型明顯。
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