自交率 的英文怎麼說

中文拼音 [zìjiāolǜ]
自交率 英文
rate of self-fertilization
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 交 : Ⅰ動詞1 （把事物轉移給有關方面） hand over; give up; deliver 2 （到某一時辰或季節） reach （a cert...
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. The stamens and pistil of d. versipelis mature before the flowers open, which shows that dysosma versipelis may be autogamous. d. versipelis produce few fruits. ovaries of d. versipelis seldom develop in nature, but will develop after being pollinated with pollen of another plant

    八角蓮的花在花苞未展開時，雄蕊和雌蕊便已成熟，說明八角蓮的繁育系統為自花受粉，八角蓮座果率非常低，自然狀態下，子房不膨大，人工異交后的子房有膨大現象，說明八角蓮自交低育，有生殖障礙。
  2. In algorithms, classification algorithms are divided into two cases : one for known statistical distribution model and the other for unknown statistical distribution model. four classification algorithms, the bata - prime statistic model fusing quadratic gamma classifier, based on sar image rcs reconstruction and space position mode, on the mixed double hint layers rbfn ( mdhrbfn ) model and on the self - adapt fuzzy rbfn ( afrbfn ) model, are derived. the problems, including how to further improving the class ratio of the bayes decision, decreasing the dependence on the statistical model and directly providing the adapted algorithm with samples, are solved

    提出了基於徑向基函數神經網路（ rbfn ）的雙隱層混合網路（ mdhrbfn ）模型，解決了標準神經網路在具體sar圖像地物分類中分類類別數目不夠和分類精度差的問題；提出了基於模糊推理系統的自適應模糊rbfn分類（ afrbfn ）模型，兼顧通用性與精確性，增強人機交互能力，進一步提高了演算法分類率。
  3. In this paper, we study the trading model based on the project " the network market ", which was implemented by the chongqing electronic commerce inc and us. aiming at the shortage of trading model in " the network market ", we employ game theory and multi - criteria decision theory, introduce the matchmaking schema based on price and quantity into electronic commerce application, bring forward a market matchmaking trading model including five phases : market matchmaking, reinforce learning, biliteral negotiation, contract signing, contract executing. the main work and conclusion as follows : considering the behaviour of multi - buyers with multi - sellers, we realise a matchmaking model based on the price and quantity through double auction mechanism under discriminatory and non - discriminatory price situation, analyse the incentive compatibility and competitive equilibrium of the mechanism

    主要研究成果如下:針對多個買家與多個賣家的交易行為，提出一種撮合交易模型?採用價格和數量作為撮合要素，以雙重拍賣機制為撮合手段，重點研究均價和差價形式下的實現機制，並對其激勵相容性和市場均衡進行理論分析?為增強市場效率，論文提出了一種針對雙重拍賣的學習機制，它以三參數學習模型為基礎進行改進，藉助交易歷史信息，實現交易代理的自我學習
  4. This paper describes the components and structure of advanced signaling system : automatic train control system ( atc ), analyzes the function and classification of its three subsystems : ats, atp and ato, with emphasis on currently widely adopted atc system - quasi - moving - block signaling system, which works on coded digit track circuit, and discusses the operating principles of coded digit track circuit and the features of train control of quasi - moving - block signaling system

    信號系統是確保城市軌道交通列車運行安全及提高運營效率的關鍵設備。本文詳細討論了應用於城市軌道交通的先進的信號系統? ?列車運行自動控制系統（ atc ）的組成和結構，對其三個子系統：列車自動監控系統ats 、列車自動保護系統atp 、列車自動運行系統ato的功能和分類進行了詳細分析和比較。
  5. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題；本文方法通過一次運行就能獲得一組具有集系特性的地震動，在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢，產生的人造波或人造波集系可滿足工程抗震設計需要；在遺傳演算法中，交叉概率和變異概率是影響收斂速度的重要參數，本文採用的改進自適應交叉概率和變異概率，可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率，以保證演算法始終以較好的速度向pareto最優解集逼近。
  6. So far, the main frame of the conjugation of betrand are established, on the basis of which, it is given that the primary condition the directrix line must be satisfied, the relative curvature of the conjugating surfaces, the relations between non - interventional condition and curvature axle of the directrix line, and so on. the transmission of normal circular - arc gear is a typical bertrand conjugation. in order to promote the transformation from theory to technology, the general principle of this kind of transmission is studied

    為了使研究更加貼近於工程，便於解析處理，提出準面的概念，並確立由準面到準線的研究路線，給出了各種傳動形式下準面與準線的具體特徵，證明了共軛準面上兩準線的誘導測地曲率等於零的這一不干涉條件，進而指出，當準面為平行軸和相交軸傳動的節曲面時，不干涉條件自然滿足。
  7. Occupy what held recently " dozenth academic communication meets an epidemiology of countrywide heart and vessels " the data of exposure makes clear, the philtrum of blood pressure has been measured in these, know oneself blood pressure is worth, or whether is him understanding hypertensive number, occupy only by 43. 9 % of investigation number, in addition, the rate taking drug of sampling crowd and rate of blood pressure control are very low also

    據近日召開的「第十二屆全國心血管流行病學學術交流會」披露的資料表明，在這些測過血壓的人中，知道自己的血壓值，或了解自己是否為高血壓的人數，只佔被調查人數的43 . 9 % ，此外，抽樣人群的服藥率與血壓控制率也很低。
  8. It makes sampling data regularized by means of man - machine interactive mode and procedure method, respectively. the driven data of the cutter guide is generated, which is based on sampling data processed. it proposes an intelligent data reduction algorithm which bases on the combination of straightness of curves, equidistance and distance deviation principle

    首先採集並分析了內輪廓數據，分別運用程序處理方式和人機交互方式實現采樣數據點的規則化處理;根據處理后的測點數據生成磨頭驅動數據;並提出了一種基於曲線曲率、等距及距離偏差帶的自適應數據壓縮方法。
  9. Results : the prevalence of the common disorders are 2. 3 % - 19. 5 %, the rate of thinking disorder, attention disorder, confidence and self - efficiency disorder, responsibility disorder, and work disorder, feeling disorder, social disorder, personality disorder, sleep and diet disorder are over 10 %

    結果：中小學生常見心理問題患病率在2 . 3 % - 19 . 5 %之間，其中，思維內容、注意力、自信與自尊、責任感、學習與工作、情緒反應、社交問題、言語問題、人格問題、睡眠飲食等方面存在問題的比例均超過10 % 。
  10. The modern technology give a chance for the pattern of transmitting knowledge with network, the course based on network have opened up it ' s way in china, our pursuer paid more attention to the mode, but in america, pursuer have studied the more width aspect, thereinto the investigation and design of the information in the course based on network is very important, for the design of the information decide the pattern how the student receive the information, which will effect the way of knowledge understanding and memory, and the way is related to the study pattern, so the design of the information in the course based on network is very important to the efficiency and effect. so the core of the paper is the investigation and design of the information in the course. i have the entropy from the information science as the analyse tool to analyse the information, these work tell us the efficient pattern to transmit information, based on the result, i design the net page, of course, study theory and the character of the net itself are also the factors i employ for design a good net page. then, links and navigation is constituted for students adapt to the course based on network

    當今技術的發展給知識以網路為媒介來傳播的學習方式帶來前所未有的機遇，網路課程在國內迅速開展起來，但是國內研究者的注意力主要集中在對網路課程模式的探索上，放眼國外，他們的研究觸角已經涉及到網路課程比較細致的方面，尤其是對網路課程信息的研究構成了國外網路課程研究中的比較重要的一個方面，而網路課程中信息的設計是重要的，因為信息的組織設計是為了接受者能對信息進行有效的信息加工，信息的呈現模式影響著學習者對知識的理解和記憶方式，進而決定了學習者的學習模式，因此網路信息的設計在網路課程傳遞的效率和效果中就佔有很重要的位置。基於這個觀念，本文把網路信息的組織設計作為研究的重點，引入了信息科學作為研究的主要工具對網路中的信息作以量化分析研究，主要應用了信息科學中信息熵的公式進行推導，得到學習內容信息組織的基本模式，並充分利用網路自身特性和學習理論對知識信息進行細致的設計，此外還對鏈接和導航信息進行了設計，在網路課程的適應性方面作出了努力，把交互信息與輔助學習信息的分析設計與應用和對網路頁面信息的總體調節優化作為主體信息設計部分的補充，最終形成了網路信息組織設計的方案，力求創設一個能夠有效傳遞知識信息，減少網路自身弊病，並帶有一定適應性的網路學習環境，也使更多的網路課程的設計者關注網路信息這個因素。
  11. Test results show that under 2 - tone test in 5mhz tone spacing, the power amplifier system achieves - 50dbc imd3 with 20w output power, improved 20db in imd3 compared with the one without linearity. estimated value of aclr comes to 53db, which satisfies the 3gpp requirement for wcdma base - station transistor. further tests with alterative input power indicate a steady suppression to the imd3 controlled by the adaptive system

    測試結果表明，自適應前饋功放系統在雙音輸出功率20w時三階交調系數小於- 50dbc ，鄰通道泄漏抑制比（ aclr ）的估算結果大於53db ，在理論上滿足3gpp對wcdma基站發射機的指標要求。
  12. 2nd the floor i will study how to cover the floor use the local traditional or modem materials, and how to collocate different materials, and get best views which fit to modem aesthetic needs and with ethnic features at same time. 3rd the lighting i will study how to use lights to reveal and improve the appearance of different parts of the residence in the best way. the light including the water light, the cornice light, the corridor light, and landscape light. yangjie ( art design ) supervised by yuying

    環境設施范圍廣闊，本文選擇研究的重點是合院式住宅中（一） ：配景系統中的小型水景、綠地設施，做到與當地自然、人文相結合，引水入院，提高居住品位； （二） ：交通系統中的鋪地、通道、地面設施，通過對地面鋪裝形式、材料搭配、質感等研究，兼顧通行效率以美化原則: （三） :照明系統中的水景照明、廊檐空間及通道照明、綠景照明等等。
  13. The baton pass of clemens to mussina represented 601 career wins, but it also represented current eras of 4. 45 of 5. 51, respectively

    指揮棒從老克手中移交到生涯601勝老穆手中，但他也同時有著驚人的自責分率5 . 51 （本季） 。
  14. These insect visitors are important for reproductive success of the two species because their seed - set is not high without pollinators " visiting

    主要傳粉昆蟲為纓翅目薊馬及少量膜翅目昆蟲，自交結實率不高。
  15. Improvement of seed setting percentage of cabbage self incompatibility line by spraying fertilizers in an ex - root way

    根外追肥對提高甘藍自交不親和系結實率的效果
  16. ( 3 ) the value of p / 0 of c. praecox is 2847. 3 + 1125. 0, and the total value of oci is 3. with the above results, pollen germination rate and seed set rate, all shows that breeding system of c. praecox is facultative hybridization. the breeding system of c. nitens is similar to c. praecox, but it is higher in proportion of self - pollination than that of c. praecox

    （ 3 ）蠟梅p / 0值為2847 . 3 1125 . 0 、 oci累計分值等於3 ，與不同處理的花粉萌發率和結實率的結果一樣，都顯示蠟梅繁育系統為兼性異交類型；亮葉蠟梅繁育系統同蠟梅相似，但亮葉蠟梅的自交比例相對較高
  17. ( 3 ) the germination percentage of pollen was low, but the pollen of p. tricuspidata and p. quinquefolia could germinate on the surface of their stigmas, respectively. pollen tubes could grow into their styles

    （ 3 ）地錦和五葉地錦的花粉萌發率較低，但人工輔助自交后，花粉可以在各自柱頭表面正常萌發，花粉管可伸入花柱中。
  18. Electron transfer 2. 1. some basis mechanics, especially the activation model and the theoretical expression of the electron - transfer rate used in this paper have also been introduced

    介紹了電子轉移的一些基本機理，著重介紹了本文所用到的有關自交換電子轉移活化模型及計算耦合體系電子轉移速率的理論框架。
  19. Some characteristics of the measured wind pressure field were discussed, including distributions of wind pressure, the effects of shape ratio on total wind force coefficients, auto - and cross - power spectral density ( psd ) distributions of fluctuating wind pressure, characteristics of the proper orthogonal decomposition ( pod ) results of the measured wind pressure field, effects of reynolds number on wind pressure distributions, etc

    根據測量結果對殼體表面風壓場特性進行了分析，包括風壓系數、整體風力系數、脈動風壓自功率譜及互功率譜、風壓場本徵正交分解特性、雷諾數對殼體表面風壓分佈的影響等。
  20. But this method can ’ t be used to generate tool - path for the kind of surfaces whose curvature varies sharply, since singularity may appear when creating the offset surface. it is computation expensive to resolve the singularity

    但曲率變化大的曲面在生成等距面時發生自交，曲面的自交處理計算復雜，降低了基於等距面的刀具軌跡計算速度。
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