隨機交配 的英文怎麼說
中文拼音 [suíjījiāopèi]
隨機交配
英文
panmixia-
An algorithm using twice random matching for atm switching
交換中的隨機二次匹配演算法Random mating population
隨機交配群體4. using recombinant inbred line ( rjl ) of rice derived from ( zhenshang 97bx minghui 63 ), permanent f2 population was constructed by random mating among ril lines
利用源於（珍汕97b明恢63 ）的水稻重組近交系（ ril ） ，進行系間隨機交配，獲得永久f _ 2群體。Divided into two, three, four, five series, uses superelevation brightness led to coordinate with the plastic linear manufactured with the pvc material decorating lamps and lanterns, is one kind of new illumination photosource which emerges in the last few years, belongs to the cold photosource, through the chip control, may realize changes gradually, the jump, the color glitters, stochastically glitters, changes gradually, pursues, the scanning in turn and so on the mobile color change
Led燈飾產品應用實例柔性光帶系列：分為二線三線四線五線系列，採用超高亮度led配合pvc材料製造的可塑性線型裝飾燈具，是近幾年來興起的一種新型照明光源，屬于冷光源的一種，通過晶元控制，可實現漸變跳變色彩閃爍隨機閃爍漸變交替追逐掃描等流動顏色變化。The " gallica cluster " appeared as a mixed lineage in the dendrogram. the relatedness of 29 specimens of armillaria ostoyae originating from china, 33 from europe, and 8 from north america was investigated with the aid of mating tests and dna fingerprinting
利用遺傳交配技術和隨機擴增微衛星技術，調查了29號中國奧氏蜜環菌、 33號歐洲奧氏蜜環菌和8號北美奧氏蜜環菌標本的遺傳和分子系統學關系。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( 3 ) inbreeding population to the population that the inbreeding coefficient is f, the population information entropy is a increase function when reach equilibrium in random matting system, that is when fix the f, the population have the largest information entropy ; population information entropy large or equal to the gene distribution entropy, less or equal the two time of gene distribution entropy
（ 3 ）近親繁殖群體證明了近交系數為f的群體在隨機交配下達到平衡的群體信息熵是f的增函數，即f固定時，其值最大；群體信息熵大於等於基因庫信息熵，小於等於基因庫信息熵的兩倍。Stochastic user equilibrium model and algorithm based on mixed traffic
混合交通隨機用戶平衡分配模型及演算法Considering chance constrained programming is a well developed stochastic optimization method which can describe risk in an explicit manner, with the premised market trading protocols, a chance constrained programming based model for describing the optimal bidding strategies of distribution companies in a pool co - type transmission and distribution separated electricity market is presented, and solved by genetic algorithm
鑒于機會約束規劃作為一類快速發展的隨機優化方法能以顯式的形式刻畫風險，針對以聯營體為基礎的輸配分開電力市場，在假設的市場交易規則基礎上，構造了在現貸市場中基於機會約束規劃的供電公司最優報價策略模型，並採用遺傳演算法求解。Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem.
大多數關于種子園理論，是以假定能發生隨機交配和自花受精而不會成為嚴重問題為依據的。The basic agc roles include : ( 1 ) making generation follow the load change, and holding system frequency on fix value ; ( 2 ) dispatching power to each area, and holding exchanging power on fix value between each area
其主要功能是響應負荷和發電的隨機變化，維持電力系統頻率為規定值，響應各區域分配系統發電功率，維持區域間凈交換功率為計劃值。This dissertation adopts a universal digital ds / dmpsk modulation and demodulation scheme which is based on fpga. this scheme adopts quadrature balanceable modulation, intermediate frequency sampling, digital matched filtering, delay differential demodulation techniques and so on. it directly processes the digital signals on intermediate frequency without down - conversion, and doesn ’ t need pseudo random codes synchronization and carrier wave extraction circuits
本文採用了一種基於fpga的通用數字調制解調方案，該方案在調制端採用了正交平衡調制技術，在解調端採用了中頻帶通采樣、數字匹配濾波、延時差分解調等技術，直接在中頻上進行數字信號處理，不需要進行下變頻，也不需要增加額外的偽隨機碼同步捕獲和載波提取電路。By sun, bo ( major : marine biology ) directed by professor zhang, guofan and dr. liu, xiao population genetics of four argopecten irradians cultured populations was analyzed by using random amplification polymorphism dna ( rapd ) techniques. and partial dna sequences of the internal transcribed spacers ( its ) from four representative samples ( one sample represent for each population ) were amplified by pcr and sequenced in order to stress the phylogenetic relationships of the four populations. besides, by rapd technique, two argopecten irradians families were studied to examine whether the hybridization experiments were successful and which family was more suitable to be materials in future genetic linkage map construction
本文以海灣扇貝4個養殖群體為研究對象，採用隨機引物多態性dna （ rapd ）技術進行了群體遺傳學研究，並嘗試使用4個群體中代表個體的內轉錄間隔區（ its ）序列比對分析結果作為參考；另外，本文還運用rapd技術對人工異體交配的2個海灣扇貝家系的雜交成功率進行了分析，均獲得成功證實，並評估了兩個家系構建遺傳連鎖圖譜的潛力。Quantum communication is a rising interdisciplinary field which combines classical communication and quantum mechanics. quantum key distribution protocol makes use of single photon of quanta - randomicity to achieve unconditioned security key distribution, especially which is the realism significance of research way in quantum information at present
量子密碼術是經典通信和量子物理相結合的一門新興交叉科學。量子密鑰分配（ qkd ）協議利用單光子固有的量子隨機性實現具有無條件安全性的密鑰分配，是目前量子信息領域中特別具有現實意義的研究方向。To study the interactions of combining ability with environment for the stem characters in wheat, a set of diallel cross involving 7 random parents was made in three years
摘要隨機選用7個親本，連續3年組配成21個雙列雜交組合，研究了小麥莖稈特性的配合力與環境互作。The prisoners cannot dial outside the jail and the company s computerized switchboard randomly directs each call to any one of telecom s 45 call centers scattered across italy
犯人們在監獄里不能撥打外線。而公司里由電腦控制的交換臺能隨機地把每一個來電調配給本公司遍及義大利全國的45個電話中心。The prisoners cannot dial outside the jail and the company ' s computerized switchboard randomly directs each call to any one of telecom ' s 45 call centers scattered across italy
犯人們在監獄里不能撥打外線。而公司里由電腦控制的交換臺能隨機地把每一個來電調配給本公司遍及義大利全國的45個電話中心。The determination of efficient paths in the transportation network is a key technology of stochastic traffic assignment
摘要交通路網中有效路徑的確定方法是進行各類隨機交通流量分配的關鍵技術。The author discussed the four steps model and provided the ameliorative method of the logit model and the solution of the fictitious public traffic routes. firstly, the author discussed the result of survey of residents trip, concluded the primary character of residents trip and put forward the method of stratified random sampling plan on that.
預測時採用了一種比較流行的「四階段模型法」 ，針對「四階段模型法」的出行分佈、交通分配子系統展開了深入的討論，提出了針對重慶山城交通特點的「改進的logit型的隨機路徑選擇模型」和「虛擬公交線路演算法」 。The essay analyzes the passenger ' s preference among multiple transportation modes, and establishes reasonable configuration model and algorithm for passenger transport structure in integrated transport system based on the random utility theory and analytical hierarchy process
摘要分析在多種交通方式存在情況下乘客的交通選擇行為，並基於隨機效用理論和層次分析法構造了綜合運輸體系下客運結構合理配置模型及演算法。分享友人