繁殖適度 的英文怎麼說

中文拼音 [fánzhíshìdù]
繁殖適度 英文
bonitation
  • 繁 : 繁名詞（姓氏） a surname
  • 殖 : 殖Ⅰ動詞（生息; 孳生） breed; grow; multiply Ⅱ名詞（姓氏） a surname
  • 適 : 形容詞1 （適合） fit; suitable; proper 2 （恰好） right; opportune 3 （舒服） comfortable; well Ⅱ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 繁殖 : [生物學] breed; reproduce; propagate; multiply
  • 適度 : appropriate; moderate; proper; appropriate measure; moderate degree
  1. 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。
  2. The choosing and producing of new types of health - protecting fibres provide more space for enterprises relating to weaving, clothing etc to develop new products. there are many types of high functional fibres, for example : minus hydronium fibre, which has been developed in recent years belonges to environment - protecting fibers. it s minus hydronium powder s releasing builds circumstance resembling narure, so as to present a clear and comfortable feeling, which is one that many fibre corporations recommend

    通過該纖維中的負離子粉向環境中釋放負離子，營造出仿大自然環境，給人以清新、舒適的感覺，因此成為纖維行業推薦的一種功能性纖維；抗菌聚酯纖維更是一種人們在現代生活中離不開的纖維之一，而如何控制細菌過度繁殖，保持人們在穿著上的健康將是紡織服裝行業的奮斗目標之一。
  3. The winter tiller is more than the spring tiller at quantity hi leymus chinensis, calamagrostis epigeios and c. rigidula population at the beginning growing season. it is an efficient strategy to increasing survival fitness and propagating potential for rhizome grass to grow many active and strong winter tillers

    生長季初期，羊草、拂子茅和硬拂子茅種群返青的分蘗株以冬性植株多於春性植株，冬性植株生活力旺盛、抗性強，形成冬性植株是根莖型禾草種群提高生存適合度，增強營養繁殖力的有效策略。
  4. Osmanthus fragrans cutting propagation experiment showed that there were evident differences between o. fragrans trend branch cutting rooting rates with different rooting drugs and concentration treatments, cutting in summer and in the morning was superior to that in autumn and in the afternoon, the popularization and application of 200 10 ^ ( - 6 ) of naphthylacetic acid treatment and selection of cutting in the summer morning were proper relatively in production

    摘要桂花?插繁殖試驗表明：桂花嫩枝?插不同生根素及濃度處理對生根率有明顯的差異，夏插、上午?插優于秋插、下午?播，生產上應採用200 10 ^ （ - 6 ）萘乙酸生根素處理，選擇夏季的上午?插比較適宜。
  5. It is necessary for a species " adaptation and evolutionary potential to keep genetic variety at a relative level. genetic diversity in the population must not be lost furthermore and gene exchange among individuals should be enhanced as much as possible to avoid extinction of crested ibis

    一定程度的遺傳變異性是維持種群的適應力與進化潛力的必要條件，為使朱?免於滅絕的厄運，必須避免其種群遺傳多樣性的進一步喪失，並盡可能增加個體間的基因交流，最大限度地避免近親繁殖。
  6. The reproductive yields are maximized by an instantaneous switch from vegetative to reproductive growth after a short period of vegetative growth

    4種胡盧巴通過調節營養與繁殖生長的速度及資源分配，以積極適應多變的環境，在短的生長期內達到繁殖成功並使繁殖分配比率最大。
  7. This thesis suggests a process considered minimizes the population size as similar individuals occur in the fitter members of the population, which helps reduce the execution times for ga by removing the redundancy associated with the saturation effect found in the later generation. this thesis uses a method that adds dynamic penalty terms to the fitness function according to the optimal degree of solutions, so as to create a gradient toward a feasible suboptimal or even optimal solutions. on the basis of the difference of the biggest and the smallest of fitness of individual, modifying the fitness function in order to convergence is a satisfaction

    動態調節種群大小，去掉遺傳演算法在迭代後期搜索產生的過多相似個體，達到減少計算時間的目的；按照解的優劣程度給適應度函數增加一個在ga搜索過程中動態改變的可變罰函數，給搜索最優解創造一個梯度，使遺傳演算法收斂到可行的較優解或最優解；根據適應度值最大和最小個體的差修正適應度函數，使適應度函數值適中不容易造成收斂太快、局部收斂或根本不收斂而變成隨機搜索；為了避免「近親繁殖」採用競爭擇優的交叉操作；利用并行遺傳演算法的思想，提出一種自適應多子種群進化策略；提出人口汰新政策來解決類似甚至相同的個體的情況發生。
  8. The genetic algorithms is by means of the coding technology, application is reproduction, hybridization and the abrupt change and so on the genetic factor, intial stage race make up to chromosome, degree of adapting to analysis, constitute bad the eliminating of superior 、 natural environment of survival of the fittest, come into being out the fresh good race

    摘要遺傳演算法通過編碼技術，運用繁殖、雜交、和突變等遺傳運算元，對染色體組成的初始種群，進行適應度分析，構成優勝劣汰、適者生存的自然環境，產生出新的更加優良的種群。
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