群體改良 的英文怎麼說

中文拼音 [qúntǐgǎiliáng]
群體改良 英文
population improvement
  • 群 : Ⅰ名詞（聚在一起的人或物） crowd; group Ⅱ量詞（用於成群的人或物） group; herd; flock
  • 體 : 體構詞成分。
  • 改 : Ⅰ動詞1 （改變） change; transform 2 （修改） revise; alter; modify 3 （改正） rectify; correct 4 ...
  • 良 : Ⅰ名詞1. （善良的人） good people 2. （姓氏） a surname Ⅱ形容詞（好） good; fine; nice Ⅲ副詞（很） very; very much; indeed
  • 群體 : 1. [生物學] population; colony2. [社會學] group
  • 改良 : 1 （去掉事物的個別缺點 使它更適合要求） improve; ameliorate 2 （改進） reform; 改良牧場 improved ...
  1. Chapters 2－5 are devoted to the basic concepts of mendelian and population genetics which are of greatest concern in tree improvement.

    第二到第五章介紹對于改良樹木有密切關系的門德爾和群體遺傳學的基本概念。
  2. This paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  3. Abstract : this paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    文摘:針對我國主要豆科作物大豆和花生的研究成果，並結合本身研究工作內容， （ 1 ）總結了與宿主共生的根瘤菌生物學多樣性，包括大、小樣本的土著根瘤菌群體數量、分離頻率、類型與分佈及其菌株宿主共生混交性與親和性； （ 2 ）評述了根瘤菌宿主植物共生體雙邊固氮改良，包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇； （ 3 ）討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  4. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  5. Sports activities conducted in rural holidays and festivals are significant to the construction of a new countryside : they are important keys to breakthroughs in the construction of sports culture in new countrysides, and effective ways to strengthening communication between the government and the masses and between the masses ; since their intrinsic features boosted the enthusiasm of peasants for participating in sports activities, they have effectively changed the bad life styles of peasants ; they have the mission to carry on the culture while promoting consumption and boosting economic development

    摘要鄉村節慶體育活動對新農村建設具有重要意義：它是新農村體育文化建設的重要突破口；是加強政府與群眾、群眾與群眾溝通的有效途徑；因其所具有的特點促使農民產生體育參與熱情，有效改變了農民的不良生活方式；在帶動消費、促進經濟發展的同時肩負著傳承文化的使命。
  6. Put above hypotheses together we can propose a comprehensive solving alternative to in hence decision making effectiveness for agricultural project investment : to build fuzzy analysis hierarchy process based on entropy and fuzzy multi - attributes decision making models in the model base of agricultural project investment gdss. we can to adopt group advices and experiences, promote the opinion integration and improve the solving methods of ill - structured problems that supported by group decision support system

    按照這一概念框架，作者提出提高農業項目投資群體決策效果的整體解決思路：建立基於熵權的模糊層次分析法，以及模糊多屬性群體決策模型的農業項目投資群體決策支持系統模型庫；通過群體決策支持系統的支持，充分考慮決策群體的決策思想及經驗，促進意見集結，改進結構不良問題的解決。
  7. Applying fuzzy decision making methods may solve the fuzziness of decision environment in agricultural project investment. solving ill - structured problems by group decision support systems, inducing decision makers to present and understand the problems by the use interacts with the computer system, improving the decision making effectiveness by electronic meeting. these measures may enhance the decision effectiveness in agricultural project investment

    針對上述問題，作者提出：用層次分析法處理農業項目投資多屬性決策問題；用模糊決策方法解決決策環境的模糊性；用群體決策支持系統解決結構不良問題，通過人?機對話系統引導決策者對問題的表達和理解，通過電子會議改進群體決策效果。
  8. The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans

    結果表明：垂穗披堿草等對土壤通透性和資源空間要求較高的物種，競爭力隨劃破強度的增加而上升，而對土壤通透性和資源空間要求相對較低的物種則相反；輕度劃破干擾對提高物種豐富度具有一定的促進作用，但多樣性指數則總體上表現為隨劃破強度的增加而呈下降的趨勢；劃破干擾對植被功能群的影響表現為以垂穗披堿草為代表的禾草類組分隨干擾強度的增加而顯著上升，莎草類和雜類草組分隨干擾強度的增加而顯著下降；劃破干擾對草地初級生產力的提升具有顯著的促進作用，且可顯著增加植物總量中優質牧草的比重；劃破干擾可獨立作為高寒草甸類草地恢復與改良的有效措施，在定向培育垂穗披堿草型割草場的技術組合中具有核心和基礎性的地位。
  9. There exists technology need difference among all types of farmers which embody on the farmers " selection of diseases resisting and anti - adversity. there is a big cognition and behavior gap between government, agriculture researchers and extensionists. on the basis of the above research findings, this thesis puts forward the following policy recommendations : reinforce invest into the drought research is the optimizing selection in agriculture research invest reinforce the technological research which is suit to the women labor deepen the agricultural technological extension reform, reinforcing invest into the agricultural technological extension found a down to up agricultural technology system deepen the maize research system reform

    浙江大學碩卜學位論文利用參與式農村評估方法研究農戶的玉米生產行為根據我們的研究結果，本文提出以下幾條政策建議，一是增加抗旱方面的研究投資已成為我國政府農業科研投資的最優先選擇，重視西南地區農民對高產群體改良品種（ opv ）的需求，增加對opv品種選育和推廣工作上的科研投資;二是加強適合婦女勞動力的技術研究;三是建議政府深化現行的技術推廣體制改革，增加農業技術推廣投資，加強農業技術推廣活動;四是建立一個由下到上的農業科技體制;五是深化玉米科技體制改革
  10. News transmitting regulation is a very important part of social government. its basic function is to bead and coordinate the news medium to work correctly and effectively, guide public opinion, balance people ' s psychology, put the masses " emotions in good order, stimulate rigor of working, in order to deepen reform, accelerate development, safeguard stability, push the cause of chinese characteristic socialism, supply it with powerful sustain of public opinion, build good atmosphere of opinion

    新聞傳播調控是社會管理的一個極其重要的方面，其基本職能是指導協調新聞媒體正確有效地開展工作，引導社會輿論，平衡人們心態，理順群眾情緒，激發工作活力，為深化改革，促進發展，維護穩定，推進中國特色社會主義事業，提供有力的輿論支持，創造良好的輿論環境。
  11. Study on improvement effect in shenzong co hc2 fc3 population in agronomic traits by means of recurrent selection

    群體在輪回選擇作用下農藝性狀的遺傳改良效果的研究
  12. Programs such as animal identification, dairy herd improvement, type classification and sire evaluation lead to long term genetic improvement in a population. this in turn will increase profits to dairy farmers

    目前開展的一些項目如牛隻編號dhi測試奶牛體型外貌評定和青年公牛後裔測定項目將促進整個牛群長期的遺傳改良，這將能增加奶農的收入。
  13. A grey recurrent population improvement of wheat was suggested by combining the grey breeding method with the wheat dwarf male - sterile technology

    摘要將灰色育種方法與矮敗群體改良方法相結合，提出了小麥灰色輪回群體改良方法。
  14. Dwarf male - sterile wheat is a taigu genie male - sterile wheat with dwarf marker, and an efficient method of population improvement, and has vast application prospects in germplasm creation

    摘要矮敗小麥是矮稈基因標記的太谷核不育小麥，是理想的群體改良工具，在種質資源創新方面具有很大的應用前景。
  15. It is true in difficult cases, such as degraded dna or samples containing minimal amounts of genomic dna. to investigate the sequence diversity of mtdna in taiyuan han population, mtdna nt16081 - 16546 sequences were determined in 58 unrelated han chinese from taiyuan. sscp method was developed as one of screening measures which were used to examine polymorphism of mtdna, so as to supply a rapid and simple method for forensic casework

    方法隨機抽取58名太原地區漢族群體無血緣關系個體的靜脈血， edta抗凝，改良的tkm法提取mtdna ， pcr擴增、純化后，應用377序列分析儀進行直接測序分析；對毛發、指甲、骨骼等微量或嚴重降解檢材進行mtdna序列分析；採集同一屍體血液、肌肉、肝、腎、心肌、不同部位的毛乾等組織進行同一性檢測；對20個兩代家系進行突變觀察。
  16. The core point of view of this thesis is that the formation of the state - owned banks " npl is : ( 1 ) the result of the game played by groups of various interests in the existing system during the period of transition ; ( 2 ) the historical cost of our country ' s reform ; and ( 3 ) the accumulation of our country ' s risk in politics, economy and social system structure

    本文的核心觀點是，國有銀行不良資產的形成是在轉軌過程中既有制度安排下各利益群體博弈的結果，是我國改革的歷史成本，也是我國政治、經濟和社會體制結構性風險的累積。在引言中，筆者指出了不良資產問題的嚴重性，並對筆者整體上的研究思路、方法和思想源流作了說明。
  17. The principal approaches include the determination of breeding targets ; classification of parents ; establishment of basic population, recurrent selection population and improving population, screening and rational arrangement of fine varieties ; and combination of fine varieties with reasonable cultivation method

    主要包括制定育種目標，進行親本分類，構築基礎群體，組建輪選群體，建造改良群體，篩選優良品種，合理布局品種，以及良種良法配套。
  18. But apart from such occasional expos s and sporadic movements for reform, consumers as a group did not exert a significant, ongoing force in the conduct of public affairs until ralph nader came along

    但是，除了這些偶爾出現的曝光和零星的改良運動，消費者作為一個群體，並沒有在公眾事務的決定中施加重要而持久的影響力，這種局面一直持續到內德的出現。
  19. Investigations and strategy on genetic improvement in cultivated population of panax notoginseng f. h. chen

    三七栽培群體遺傳改良研究及策略
  20. In this paper, an improved genetic algorithm ( ga ) was applied to the design of high performance e - plane waveguide filters at the first time. for dealing with the shortcoming of ga as low efficiency in local optimum searching, the idea based on parallel genetic algorithm ( pga ) known as separate local optimization was presented. by separating the whole population into sub - populations, and adding a new operator known as crossover between two sub - population, the new method can provide as 2 3 times quickly as traditional ga. all numerical examinations illustrated the high convergence speed and good global searching of the new algorithm, and proved the validity of it

    由於遺傳演算法表現出良好的全局搜索性能，因此本文將其應用於高性能e面波導濾波器的設計中.針對傳統遺傳演算法所存在的局部搜索能力差的缺點，本文在并行遺傳演算法的基礎上，通過將原有群體劃分為多個子群體，利用多個子群進行局部極值點的搜索，並利用群間遷徙，使改進后的演算法收斂速度平均提高了2 3倍.數值實驗表明演算法具有較快的收斂速度和較好的全局搜索性能，證明了演算法的有效性
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