改良雜種 的英文怎麼說

中文拼音 [gǎiliángzázhǒng]
改良雜種 英文
grade
  • 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
  • 雜 : Ⅰ形容詞（多種多樣的; 混雜的） miscellaneous; varied; sundry; mixed Ⅱ動詞（混合在一起; 攙雜） mix; blend; mingle
  • 種 : 種名詞（姓氏） a surname
  • 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 ...
  • 雜種 : [生物學] hybrid; crossbreed; intercross; [遺傳學] random breed; [動物學] half bred; 雜種不育性 hy...
  1. Crossbreeding effects of angus on native yellow cattle

    安格斯種牛雜交改良本地黃牛效果
  2. In loose allwool garments with harris tweed cap, price 8 6, and useful garden boots with elastic gussets and wateringcan, planting aligned young firtrees, syringing, pruning, staking, sowing hayseed, trundling a weedladen wheelbarrow without excessive fatigue at sunset amid the scent of newmown hay, ameliorating the soil, multiplying wisdom, achieving longevity

    澆水，剪枝，用樁撐起，播種牧草種籽。日暮時分，在新割牧草的一片清香彌漫中，在不過分勞累下，推著那堆滿了雜草的低矮的獨輪車，改良著土壤，不斷豐富著知識，獲得長壽。
  3. Directed on the present situation and existing problems in boosting beef cattle industry based on the yellow cattle improvement in china, the review indicated that several relationships, such as integration of individual households and large scale cattle farms, integration of yellow cattle improvement, crossbreeding, breed conservation and utilization, integration of high grain diet intensified fattening and low grain diet economic fattening, should be handled properly ; and the requirements of profitable cattle industry for increasing reproductive survive rate, using hybrid vigor and improving the weight gain, the main factors affecting economic return of large scale cattle farms and the technology level improvement in cattle industry were duiscussed as well

    本文就近來我國以黃牛改良為特點的肉牛業蓬勃發展現狀與存在問題，指出應處理好養牛經營形式千家萬戶與規模牛場相結合、黃牛肉用與肉役兼用相結合、黃牛改良選育與雜交、保種及利用相結合、高精料強度肥育與低精料適度育肥相結合等幾個問題；並就提高養牛經濟效益對提高繁殖成活率、充分利用雜種優勢、提高日增重的要求和影響規模牛場經濟效益的主要因素及如何提高養牛科技水平等問題提出探討。
  4. Improvement of tropical japonica rice for inter - subspecific heterosis in rice by marker - assisted selection

    標記輔助改良熱帶粳稻利用水稻亞種間雜種優勢
  5. 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
  6. The results showed, compared with experimental common wheat, annong waxy 1 should be improved in plant - height, ear - length, 1000 - kernel weight by hybridism and back - cross, while the difference among protein content, ash content, wet gluten contents were not significant, but the waxy wheat grain hardness value was lower

    結果表明，與供試的普通小麥品種（系）相比較， 「安農糯1 」在株高、穗長和千粒重等農藝性狀上均不理想，需要通過雜交和回交等方式進一步改良；蛋白質含量、灰分、濕麵筋含量等變化不大。
  7. The hybridization of various domestic varieties has always been an important technique in plant and animal improvement.

    各種不同馴化品種的雜交在動植物改良中經常是一個重要的技術。
  8. Professor walter willms, the pasture management expert with agriculture and agri - food canadas lethbridge research center, and professor zhao mengli, specialist in pasture zoology at the inner mongolian agriculture university, were invited to deliver this training. zebai, the dean and grassland management specialist of sichuan grassland science academy, li caiwang and bian zhigao, the grass planting and livestock breeding specialists, and luo guangrong and yang pinggui, yak feeding and breeding specialists, gave presentations on how to improve livestock production grazing management systems, how to evaluate pasture health and the grassland zoology systems, how to manage grazing on the natural grassland and co - manage the grassland and keep balance between the grass and herds

    此次培訓邀請了加拿大農業部韋斯布里奇研究院牧場管理專家walter willms教授和內蒙古農業大學牧場生態專家趙萌莉教授，四川省草原科學研究院院長草地管理專家澤柏，牧草種植育種專家李才旺卞志高，氂牛飼養育種專家羅光榮楊平貴，就提高牲畜生產的放牧管理制度，牧場健康和草地生態系統服務評估，天然草地放牧管理及草地共管和草畜平衡，冬春打貯草基地與免耕種草技術，氂牛適時出欄和氂牛雜交改良技術氂牛本品種選育等先進經驗模式進行了介紹。
  9. In addition, long juvenile period and late fruit are become primary restrictive factors in crossbreed and seed selection

    另外，雜交育種和實生選種時，童期長、開花結果晚更是木本果樹品種改良的主要限制因素。
  10. In contrast to herbaceous plant, the long juvenile period is the main obstacle to traditional breeding of trees

    木本植物相對于大田作物和其他草本植物有一個較長的營養生長期，這是運用傳統雜交育種方法改良木本植物性狀的主要障礙。
  11. To the losses, the paper takes the rate of loss in grain as index ; to natural factor, the paper establishes mathematical model according to the change on meteorological factor in one year and between years ; to human factor, for its complexity, the paper takes two - grade index. beginning with the water conservancy index, plant structure index, ecology index, soil improvement and water - soil conservation index, policy index, adopting the way of weight, it combines them into human factor

    對于旱災災情，本文採用糧食損失率為指標；對于自然因素則主要根據氣象因子的年際和年內變化建立數學模型；對於人為因素，考慮到它的復雜性，採用二級指標，先從水利指標、種植結構易旱指標、生態指標、土壤改良水保指標和政策指標入手，再用權重法，將它們合成為人為因素。
  12. Seventy - nine improved wheat cultivars ( lines ) including some related parents were corssed with rye to detect the difference of crossability among wheat genotypes and the developing tendency of crossability during the cultivar renewing period in shandong province, the results expressed that crossability of improved cultivars with rye were significantly lower than that of the check ( chinese spring ), and there were 3 cultivars with a seedset of more than 50 %, 4 cultivars with the seed - set of 30 % - 50 %, 8 ones with that of 10 % - 30 %, 50 ones with the seed - set of less than 5 %, and the other 14 cultivars with the seed - set of 5 % - 10 % ; the mean crossability between wheat and rye decreased with the renewing of cultivars in shandong, and the number of cultivars with the seed - set of more than 50 % and 30 % - 50 % also decreased, but that with the seed - set of less than 5 % increased gradually during the renewing period ; pedigree analysis revealed that the crossable gene of the tested cultivars might come from 3 landraces ( youzimai, mazhamai and huixianhong ), laizhou 953, 8641012, yannong 15 et al were improved wheat cultivars with both excellent agronomic traits and high crossability with rye

    以79個改良小麥品種（系）與黑麥進行雜交，研究普通小麥品種與黑麥雜交親和性的差異及其親和性在品種更新、更換過程中的演變趨勢，結果表明：供試改良小麥品種與黑麥的雜交親和性顯著低於對照中國春；結實率大於50 %的品種3個，占供試品種的3 . 8 % ，結實率介於30 % - 50 %之間的品種4個，佔5 . 1 % ，結實率介於10 % - 30 %之間的品種8個（ 10 . 1 % ） ，結實率小於5 %的品種50個，佔63 . 3 % ，另外，結實率介於5 % - 10 %之間的品種14個，佔17 . 7 % ;普通小麥與黑麥的雜交親和性隨著品種的更新、更換呈下降趨勢，平均結實率大於50 % 、介於30 % - 50 %的品種數均呈下降趨勢，而結實率5 %的品種數呈上升趨勢；系譜分析表明，供試改良品種的親和性大都來源自蚰子麥、螞蚱麥、輝縣紅3個地方普通小麥品種；萊州953 、 8641012 、煙農15等是親和性和綜合性狀都較好的改良小麥品種（系） 。
  13. Vai. rubrwn. it should be possible to improve the valuable ornamental traits of l. chinense var. rubrum by selection and introspecific crosses

    通過選擇、種內雜交等手段改良紅橙木，培育觀賞價值更高的優良品種是可行的。
  14. 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。
  15. In the 1920s and 1930s, the measures which were taken by the government, such as cotton seeds " improved, the establishment of cotton cooperation organization and the anti - cotton adulterate institute, offered great help to develop the cotton industry

    政府在二、三十年代對棉花品種的引進與改良、河南棉花運銷合作社的成立及河南棉花攙水攙雜取締所的質量監管對河南棉花的順利發展提供了保障。
  16. In order to speed up the agriculture structure adjustment, we shall adopt a policy if " science and technology promote forestry and husbandry. " we will absorb foreign investment in feed flavors, health care products made of ginkgo leaves, forestation of quick growing trees, forestry disease protection and reforestation if yuntai forestry, reform of low vield fruit orchards, hvbridization of goats, feed research for aquatic products, new medicine development for animals, feed additives development. this may improve the product quality and competition, and also speed up the development of diversified economy

    加快農業結構戰略性調整，大力實施科技興林、科技興牧戰略，我局擬對飼料風味劑的開發應用、銀杏葉保健晶系列開發、營林速生豐產林、雲臺山森林病蟲害防治暨更新造林、低產果園改造、波爾山羊雜交改良、水產飼料研製、新獸藥開發、新飼料添加劑研製開發等項目進行招商，以進一步提高多種經營產品品質和市場競爭力，加快多種；經營的發展。
  17. In july 2 01, he visited the chinese university as wei lun visiting professor and delivered a public lecture on the recent developments of chinese hybrid rice. during his visit, he expedited and further materialized the research collaboration with professor samuel sun and professor lam hon - ming of the department of biology at the chinese university, and professor maurice ku of the school of biological sciences at washington state university on an genetic enhancement programme of chinese hybrid rice to further improve the grain yield, quality and stress resistance of the super hybrid rice for the 21st century

    袁教授於今年七月訪問香港中文大學，擔任偉倫訪問教授，主持公開講座介紹中國雜交水稻的最新發展；期間，袁教授與香港中文大學生物系辛世文教授、林漢明教授及美國華盛頓州立大學生命科學學院古森本教授落實共同進行一項大型合作研究計劃，通過引入先進生物科技和破解水稻的遺傳基因密碼，結合傳統育種技術，進一步提升中國雜交水稻的產量、質量及抗逆的能力，推動二十一世紀中國雜交水稻的改良工程。
  18. In order to further increase the yield of hybrid rice as well as enhancing its quality and stress tolerance, professor yuan is conducting a research collaboration with professor samuel sun and professor hon - ming lam of the department of biology at the chinese university of hong kong, and professor maurice ku of the school of biological sciences at washington state university. with the help of advanced biotechnology and recent progress in the decoding of rice genome, together with traditional breeding techniques, the collaborating team aims to develop enhanced chinese hybrid rice for the 21st century

    為進一步提升中國雜交水稻的產量、質量及抗逆的能力，袁隆平教授與香港中文大學生物系辛世文教授、林漢明教授及美國華盛頓州立大學生命科學學院古森本教授正進行一項大型合作研究計劃，通過引入先進生物科技和破解水稻的遺傳基因密碼，結合傳統育種技術，推動二十一世紀中國雜交水稻改良工程。
  19. In accordance with the technological difficulties encountered in the process of insulation supervision based on the dissolved gases analysis ( dga ), several kinds of model and method are presented to improve the reliability and precision of fault diagnosis of the power transformer. main research content includes : by deeply studying the common transformer faults diagnosing methods, such as three - ratio methods and improved electrical committee agreements, several shortcomings such as uncertainness judgment when the fault reasons, phenomenon and principles come out together while can not consistent to each other etc. for this reason, the old methods can not fully meet the need to engineering practical application. considering fuzzy relationship matrix can fully represents the causality between fault symptoms and fault types, when diagnosing complex equipments with multiple symptoms and fault causes such as power transformer, a synthetic fuzzy diagnosing model is firstly proposed to diagnose transformer ' s insulation faults based on dga in this paper

    本文針對應用油中溶解氣體分析方法進行變壓器絕緣監督時所遇到的主要技術難點，提出了提高變壓器故障診斷的準確性、可靠性的幾種模診斷方法，主要研究內容有：通過對判斷變壓器故障常用的三比值法和改良電協研法的深入分析，其診斷準確率較高，但對故障原因、故障現象和故障機理間同時存在不確定性和模糊性的變壓器等電氣設備的故障診斷，難于滿足工程應用的需要；在處理變壓器等結構復雜設備的多癥狀、多原因故障診斷時，模糊關系矩陣可以全面反映這種癥狀與故障類型間的因果關系，進而提出了變壓器故障診斷的模糊綜合診斷模型；同時作者還深入分析了模糊運算元的特性；針對常用的模糊評判結果的模糊集的集化方法的不足性，提出了將模糊綜合診斷與模糊規則推理結合起來進行故障診斷的方法，能達到較好的效果。
  20. British politicians in the past have celebrated the seeming lack of a " national " cuisine as indicative of the country ' s integration of different cultures. then - foreign secretary robin cook said in 2001 that chicken tikka masala, an adaptation of an indian dish to suit the british palate, was britain ' s " true national dish "

    英國一些政治家過去曾提出，英國缺乏具有「民族特色」的菜肴，說明該國兼容並蓄了各種不同的飲食文化。 2001年時，英國當時的外交大臣羅賓庫克曾表示雜燴瑪沙拉雞，對一道印度菜加以改良，以適應英國人口味的菜肴是英國「真正的國菜」 。
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