遺傳限度 的英文怎麼說

中文拼音 [yízhuànxiàndù]
遺傳限度 英文
genetic limitation
  • 遺 : 遺動詞[書面語] （贈與） offer as a gift; make a present of sth : 遺之千金 present sb with a gener...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  • 限度 : limit; limitation; measure; tether
  1. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中，木耳屬2個種的2個菌株在its區域表現出較高的保守性， 4種限制型內切酶的酶切圖譜沒有顯示出多態性；增加內切酶種類及供試菌株數量，有可能獲得具有多態性的限制性內切酶酶切圖譜； 9本實驗中， its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異，擴增片段長度均為650bp左右； 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析，紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法，兩者的關系是相輔相成，互為驗證
  2. Another topic of this article is to try to find a proper overlay design method. by using elastic layer system ( els ), finite element method ( fem ), genetic arithmetic ( ga ) back calculation and efficacious thickness method, the paper puts forward four design methods. the results say that the position where the max stress appears is not the only one but varies with the thickness of overlay

    根據陜西省高速公路瀝青路面病害以及使用性能的實際情況，提出了代表彎沉值的計算方法以及下臥層模量的反演方法，在此基礎上利用彈性層狀體系理論、有限單元理論、遺傳演算法以及有效厚度法等理論對加鋪層厚度設計方法進行了研究。
  3. During the work of designing the structure of parallel machine tool, in allusion to the main shortcoming of stewart platform mat its workspace is strait, we decide to design a stewart type parallel machine tool which fulfill the given spherical position workspace and have the best dexterity, genetic algorithm is used in this paper. because the calculation of the fitness function is complex, backpropagation arithmetic is used to approach fitness function. the results show that mis method has good accuracy and computing efficiency

    在並聯機床的結構設計中，針對並聯機床的工作空間有限且受刀具姿態影響大的弱點，提出了以保證非零最小可達章動角球形主工作空間的基礎上，使操作靈敏度暨剛度分佈最優化的設計目標，優化方法的選用了遺傳演算法，結合神經網路技術，該方法取得了很好的結果。
  4. On the other hand the information cryptogram technology and card identification of 1c appl ication system are also introduced. a novel fingerprint image preprocessing method is studied based on the trend of fingerprint veins, and some feature extraction and fingerprint matching methods based on fingerprint minutia based on a novel multi - fitness genetic algorithm ( mfga ) are also studied

    在分析了國內外指紋識別理論研究的基礎上，研究了一種基於指紋紋線趨勢的指紋圖象預處理方法並取得了較好的模擬效果；研究了遺傳演算法在指紋模式匹配中的應用，針對遺傳演算法在模式匹配的局限性，提出了一種多適應度遺傳演算法（ mfga ） ，並在此基礎上對原遺傳匹配演算法做了進一步的改進。
  5. These achievements will enrich the relationship between pair - network and network, and further understand the internal connection between hereditarily closure - preserving families and point countable families or locally finite families, and better certain topological non - variability of the space with pair - networks, and enrich the theory of generalized metric space. this paper reached some principal conclusions about the space with - hereditarily closure - preserving pair - networks

    弱遺傳閉包保持雙網路空間的類似結構，這些結果將更加充實雙網路與網路之間的關系，進一步明確遺傳閉包保持集族與點可數集族或局部有限集族之間的內在聯系，完善由雙網路確定的空間關于拓撲運算下的某種不變性，豐富了廣義度量空間理論
  6. 3. aiming at the limitation of simulated anneal genetic algorithm on a high computation while applied to flow shop scheduling problems, the paper presented selected simulated anneal genetic algorithm

    三、針對模擬退火遺傳演算法解決流水車間調度問題存在收斂速度慢的局限性，提出了選擇性退火的遺傳演算法。
  7. According to the target value analyse and air defense optimal firing distribution, the optimal firing distribution model is established based on genetic algorithm, so the fire unit efficiency is exploited fully and the most damage efficiency is got

    摘要結合戰場目標價值分析，根據防空兵火力分配情況，運用遺傳演算法建立了最佳火力分配模型，使防空武器最大限度的發揮火力單位效能，達到最大毀傷效果。
  8. 2 ) the inductance transducer used to identify large wear particle is developed. the analytical theory of wear particle and detection windings are expatiated and inner magnetic distribution of inductance transducer is discussed, the geometry parameters are optimized by using genetic algorithm, and the finite element analysis method is used in the designing

    2 ）研製了識別大磨損顆粒的材質和測定其粒度的電感傳感器，闡述了磨損顆粒與檢測線圈的解析關系，探討了傳感器的理論基礎，分析了電感式檢測傳感器內部的磁場分佈，並應用遺傳演算法優化了傳感器幾何參數，最後進行了有限元模擬分析。
  9. In addition, base on the certain level of genetic differentiation of among the 4 possible natural populations, it is advised that adult plants or seedlings of ginkgo be transplanted mutually in order to enhance the gene flow among them and preserve the genetic diversity of ginkgo furthest

    因銀杏群體間已出現了一定程度的遺傳分化，建議在可能的自然群體間進行植株和種子幼苗相互移栽，以增強群體間的基因流，最大限度地保護銀杏的遺傳多樣性。
  10. Aimed at conquering the local - searching shortcoming in ga, after establishing fuzzy regulation scale of normal voltage, a socalled on - site regulation expert anowledge based on the plantrstation concept in power systemis implemented to eliminate voltage / reactive power overlimit, to amer decrease investinentand to minimiting active power loss. 2

    在給出合格電壓的模糊調整裕度的基礎上，提出採用基於廠、站概念的就地調整的專家規則進行輔助變異決策，以增強遺傳演算法的局部收斂性；所採用的專家規則主要包括越限校正、進一步減少無功設備投資和降低網損三個方面。
  11. 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。
  12. A hybrid genetic algorithm based on neighborhood search in resource - constrained project scheduling problem

    資源受限項目調度中基於鄰域搜索的混合遺傳演算法
  13. Analyze how to ensure the smallest limit of core length, and give the formulation of laminated dimension when the given diameter limit is zero. this paper gives the gene handling genetic algorithm and the gene express genetic algorithm, separately, to accomplish the optimization transformer core section. the optimization results show the effect

    通過分析鐵心截面最小級片寬下限的選擇依據，並給出控制鐵心給定直徑外限為0時每級疊厚的遞推公式，本文從外部信息流角度和內部信息流角度出發，分別採用基因控制遺傳演算法和基因表達遺傳演算法完成了鐵心截面的優化設計，並取得了很好的效果。
  14. ( 4 ) because calculation of stress intensity factors using the finite element method of the linear elastic fracture mechanics cannot satisfy the need for the real - time monitoring and the real - time analysis of cracks in concrete dams, a four - layer neural network optimized by genetic algorithm and chaos optimization algorithm is proposed. the example shows that the optimized neural network can yield good results

    （ 4 ）用斷裂力學有限元計算應力強度因子不能滿足對混凝土壩裂縫實時監測、實時分析中的要求，提出了利用遺傳演算法和混沌優化演算法改進的四層神經網路的解決方法，實例分析表明，本文提出的四層優化神經網路計算的應力強度因子接近於用斷裂力學有限元計算的應力強度因子。
  15. The main work and achievements are summarized as follows : based on herrmann variational principle and the nearly - incompressible viscoelastic constitutive relation, a new type of viscoelastic incremental finite element method is presented. in this method, incremental arithmetic is applied to solving the hereditary integrals. it needs less memory space, has simple parameter matrix, and calculates stiffness matrix only once

    主要研究內容如下：從herrmann變分原理出發，基於適用於近似不可壓縮材料的粘彈性本構關系，利用增量法處理遺傳積分，發展了一種粘彈性增量有限元方法，所需存儲空間較少，參數矩陣形式簡單，求解過程只需要形成一次剛度矩陣，適用於藥柱的結構計算，奠定了確定性分析基礎。
  16. This paper introduces the two - point crossover based genetic algorithm to the digital watermarking technology to reduce the damage produced by the embedding to the greatest degree

    將兩點交叉的遺傳演算法應用到數字水印的嵌入中，以最大限度地減少因數字水印的嵌入而對原始圖像造成的破壞。
  17. But in engineering practice, premature convergence often happens, and sometimes the speed of convergence is very slow, which greatly restrict the application of genetic algorithm

    但是在實際工程應用中經常發生早熟收斂現象，且有時收斂速度非常慢，這在很大程度上限制了遺傳演算法的進一步普及應用。
  18. The problems involved in this paper are all static state, hence it is not subjected to the computing time

    雖然應用各種改進的遺傳演算法解決了調度領域的各種新問題，但上述類型均為靜態調度，演算法不受時間要求的限制。
  19. To make up the shortages in practice of that network, the thesis synthetically exerts the principal components analysis clustering analysis and fuzzy c - means to offer the initial training samples for the network, then makes use of the genetic algorithm to find the best parameters group, in the end of this thesis, as an example, evaluates the credit grades of the 57 pieces of customers of a domes tic pharmaceutical group, giving out each customer ' s credit grade and the degree belonging to that grade as basis for the enterprises to investigate the credit status and determinate the quota

    為克服該網路實用中的不足，綜合運用主成份分析（ pca ） 、聚類分析和模糊c -均值（ fcm ）等方法，為該網路提供初始訓練樣本，並採用遺傳演算法對該網路關鍵參數組合進行尋優。最後以國內某制藥集團57份客戶信用評分結果為例，進行應用分析，給出每個客戶的信用等級和對該等級的隸屬度，作為企業審查客戶信用水平、確定信用限額的依據。
  20. Segmentation of chromosome : the chromosome image is segmented by the method of boundary gray level threshold and entropy algorithm based on genetic algorithm, then, after boundary smoothing and edge tracing, the chromosome position information is acquired. 2. diagnostic extraction of chromosome : on the basis of skeleton pixel after thinning, the medial axes are obtained by the orthogonal approximation

    主要研究內容如下: 1 、染色體圖像分割:採用基於邊界灰度的門限演算法和基於遺傳演算法的熵演算法來尋找染色體圖像二值化需要的分割閾值，對分割后的圖像存在的噪聲分別採用內插來置換和邊界跟蹤來消除; 2 、染色體特徵提取:採用細化技術將染色體細化一些離散的骨架點，用插值方法獲得平滑的曲線染色體中線。
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