f-distribution 中文意思是什麼

f-distribution 解釋
f分佈:兩個獨立正態分佈的樣本方差量的準確取樣分佈
  • f : 1 【化學】 fluorine 2 【生物學】 （generation of） filial offspring; 【植物；植物學】子代 〈F1 雜...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. This paper simply introduces the device of on - line monitoring for the thrust of the rotating maching, then discu ed the finite dement analyses on the on - line monitoring elastic dement for measuring thrust in detail, in order to develop the performance of the se or and the device, we calculated the distribution of the stre 、 strain 、 axial di lacement in the elastic element using the finite element method when the axial forces f = 3 104n, the result is very satisfied

    簡單介紹大型旋轉機組軸向力在線監控裝置，然後詳細介紹軸向力測力彈性元件的有限元分析，為了提高所研製的測力傳感器的性能，採用有限元方法計算了彈性元件在軸向力f = 3 104n時的應變、應力、靈敏度及軸位移等的分佈情況，分析結果表明：所設計的測力傳感器完全符合廠方的要求及儀表性能指標。
  2. Each f distribution has a pair of degrees of freedom.

    每個F分佈，都有一對自由度。
  3. In this paper, two questions on exetreme value theory are investigated as follows : i. the asymptotic properties of the large quantile and endpoint of a distribution : let { xi } be an i. i. d random sequence with common distribution f ( x ) which is unknown. denote mn ( k ) as the k - th maxima of x1 … xn

    本文對極值理論的兩個問題進行了探討：一、大分位數與尾端點的漸近性質設{ x _ i }是來自未知分佈f （ x ）的i . i . d的隨機序列。
  4. 75 f radio - frequency connectors - radio - frequency coaxial connectors with screw coupling, typically for use in 75 ohm cable distribution systems type f

    射頻連接器.帶螺旋耦合器的射頻同軸連接器
  5. F radio - frequency connectors ; part 24 : radio - frequency coaxial connectors with screw coupling, typically for use in 75 ohm cable distribution systems type f

    射頻連接器.第24部分:一般用於75歐姆電纜分配系統
  6. F radio - frequency connectors part 24 : radio - frequency coaxial connectors with screw coupling, typically for use in 75 cable distribution systems type f

    射頻連接器第24部分: 75電纜分配系統用螺紋連接射頻同軸連接器
  7. 4 ) the number and mass concentration distributions of the background atmospheric sand particles of ymchuan, bayanhot and tonggunur display a unimodal form, obeying a logarithmic normal distribution, greatly differing f

    黃沙的長距離輸送和小雨是泥雨形成的原因。雲物理和降水與來自沙塵粒子混合，尤其是小於zpm的粒子，導致了華北地區泥雨的發生。
  8. Effects of different calcium concentration on ca2 + in ca2 * - sequester ing organelles of photoreceptor cell in penaeus monodon fabriciu by the combined oxalate - pyroantimonate technique, we observed the subcellular distribution of calcium in the photoreceptor cells of penaeus monodon fabricius, by changing the extracellular calcium concentration. the result showed that, in vitro, in presence of 50mmol / l, the quantity of calcium antimonate deposit in the multivesicular bodies, pigment and lamellar body were more than that of photoreceptor incubated in lower calcium solution, which contained 50mmol / l egta. in higher calcium solution, we ecu id not f i nd the depos i t in the mitochondr ia, but in lower calcium solution, there was a little deposit in the mitochondria

    學位論義小同ca卜濃度對斑節對蝦光感受器的形響3 .外界不同鈣離子濃度對斑節對蝦光感受器細胞內所儲存的鈣離子的影響應用草酸一焦銻酸鹽結合的沉澱技術研究斑節對蝦光感受器細胞在不同ca之『濃度條件下胞內儲存的ca2 +變化，其電鏡觀察表明:在高鈣溶液培育后，細胞內的多囊體、色素顆粒、板膜體中都存在大量的焦銻酸鈣沉澱的黑色顆粒，線粒體中未發現沉澱;在生理溶液培育后，線粒體中出現沉澱，而其他caz +儲存器中焦銻酸鈣沉澱的黑色顆粒大量減少。
  9. In macrosopic theories of foreign direct investment, author mainly describes g. damacdougall ' s international investment benefit distribution, kiyoshi kijima ' s theory of comparative superiority investment, r. aiiber ' s theory of money area, john dunning ' s theory of investment development stratege. in microsopic theories of foreign direct investment, author describes stephen herbert hymer & charles p. kindlebeger ' s toheory of monopolization - superiority, teter j. buckley & mark c. casson ' s internalization special advantage theory, raymond vernon " product circle theory, e. f. heckscher & b. ohlin " locational choice advantage theory, john dunning ' s compromise theory of international product. section 3 analyzes current enterprise intemationization theories which involves theories and model such as uppsala international model ( u - m ), cavugil ' s export behavior theory, international operation driving theory, hagg & johnson, etc. 1 enterprise intemationization network model, rogers ' s the innovating - related intemationization models ( i - m ), prahalard & doz ' s integration and reaction model, farmer, r. n

    在外國直接投資的宏觀理論中，主要論述了麥克道格爾（ g . d . a . macdougall ）的國際投資利益分配模型；小島清（ kiyoshikojima ）的比較優勢投資理論；阿利伯（ r . aliber ）的貨幣區域理論；鄧寧（ johndunning ）的投資發展階段理論；在外國直接投資的微觀理論中，重點討論了海默（ stephenherberthymer ）和金德爾伯格（ charlesp . kindlebeger ）等人的壟斷優勢理論；巴克利（ peterj . buckley ）和卡森（ markc . casson ）等人的內部化理論；弗農（ raymondvernon ）的產品周期理論；赫克歇爾（ e . f . heckscher ）和俄林（ b . ohlin ）的區位理論；鄧寧（ johndunning ）的國際生產折衷理論。
  10. ( 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。
  11. Tables for statistical distributions - f - distribution

    統計分佈數值表f分佈
  12. The authors discuss from 12 different angles the effect of the clinical use of drugs on drug funds and point out that all of the following factors affect drug funds to varying degrees : distribution of the sum of money for the drugs the pharmacies receive, the ratio between sel f - paid drugs and costly drugs, inpatients ? length of stay, the nature of drug expenses with regard to the patients, the occurrence of hospital infection and c omplications, the need of inpatients in convalescent wards for drugs, the struct ure of drugs used in key drug - using departments, centralized drug consumption, preventive use of drugs by patients after operations, doctors ? habit in their p rescription of drugs, and the proportion of antimicrobial agents in the amount o f drugs used

    作者從12個不同的角度探討了臨床用藥對藥品經費的影響，指出藥房領用藥品的金額分配，自費藥品和貴重藥品的比例，病人的住院天數，病人的費別身份，醫院感染和並發癥的產生，康復病房住院病人對藥品的需求，重點用藥科室所用藥品的結構，集中藥品消耗，術后病人預防用藥情況，醫生的用藥習慣，抗菌藥物在藥品中所佔的比例等都不同程度影響著藥品經費。
  13. Probability distribution and recursive formula of difference between mod 2n sum and xor over f

    2上異或運算差值的概率分佈和遞推公式
  14. It must be appreciated and accepted in telecom market, due to its advanced technology reliable performance and high cost performance. a series of technical key problems have been solved, mainly f an overal exhaustive design of the 128k switching network system was presented based on 4k net - chips, with our own intellectual property a 3 level 64k switching net was successfully designed, in which the tlevel consists of l6 4k net - chips and the s - level consists of a self designed single vlsi fpga chip with 560 pins. an optical net interface and an optical multiplexer were designed to carry out the voice transmission and distribution of l28, 000 users

    在研究開發過程中，解決了一系列的技術關鍵問題，主要有：提出了基於有自主知識產權的4k網片的128k網路系統的總體設計方案；研究設計了tst三級結構64k交換網，其中t級含有16片4k網片， s級由自行設計的、 560pins的、單片大規模fpga實現；研究設計了雙機雙網雙余度的通信控制處理器系統，實現了對用戶呼叫、 tst各級網路的控制、報警等各種功能；研究設計了光網介面oni和光復用器omux ，實現了12 . 8萬用戶話音的傳輸分配。
  15. The 29 f globular clusters in the galaxy are selected as samples in my paper ( the space distribution and motional orbits of the samples have not been researched in detail before. ). according to the basic parameters : azimuth coordinates, distances from the sun, radial velocities and proper motions of sample clusters, the initial positions and velocities of the samples are reduced using the galactic coordinates, and their orbits are integrated by numerical method for three different galactic gravitational potential models

    本文選用銀河系中29個累積光譜型為f型的球狀星團作為樣本（這些樣本星團的空間分佈和運動特徵都沒有被詳細地討論過） ，根據它們的基本資料：方位坐標、日心距、視向速度，絕對自行等參數，歸算處理得出了各樣本星團的空間分佈和運動速度。
  16. F ) to retreat cultivation 1. 467 million ha for reforestation or recovering grass. g ) attheend, to adjust the proportion of cultivated land, forest, grassland from 7 : 6 : 1 to 1 : 1. 4 : 1. 2, this proportion is reasonable ratio for land use structure. for getting the above strategy targets, we must handle of the following relations : a ) the relation between development and environment protection ; b ) the relation between population and land resources ; c ) the relation between construction and farmland protection ; d ) the relation between quality and quantity of farmland ; e ) the relation between land using and economy development ; f ) the relation between land exploitation and landscape worth maintaining, etc. for getting the above strategy targets, we must also adopt some good measures : a ) to control the construction occupying farmland ; b ) to use land intensive ; c ) to improve low - yield farmland ; d ) to make regional land resources distribution effective ; e ) to make comprehensive profit ; f ) to make family planning continually ; g ) to promote urbanization, etc. by carrying out these measures, land resources in shanxi province can be used sustainable

    同時，論文對土地資源利用潛力和未來趨勢進行了科學推理，提出了山西土地資源永續利用的戰略目標：到2015年，全省耕地面積穩定在433 . 3萬公頃左右，基本農田面積保持在366 . 7萬公頃左右，保證糧食產量100億千克；各項建設用地控制在14 . 2萬公頃，其中佔用耕地在7 . 9萬公頃，土地開發、復墾、整理補充耕地10萬公頃，改造中低產田10萬公頃，治理水土流失面積1 . 13萬公頃，發展園林草地146 . 667萬公頃（含退耕還林還草99 . 2萬公頃、園地6 . 7萬公頃） ；經過長期努力，使林草地總面積達到865 . 6萬公頃，耕地、林地、草地比例由現在7 6 1逐步調節到1 1 . 4 1 . 2較合理的比例。
  17. The mainly objective includes two parts : one is to develop the mathematical m odel t o study t he flow m echanism o f 1 iquid i n t he b ed of tbr, and the other is to study the technology and device to distribute the liquid uniformly. in the first part, some theoretical models were established to simulate the distribution of flow rate of liquid, such as discrete model, differential calculus model and stochastic model. but these models are difficult to calculate or ca n ' t lead to good results

    在理論模型方面，前人提出了離散模型、微分模型和隨機模型等來模擬液體的徑向和軸向流率分佈，但仍然存在許多問題，往往計算工作量大且常偏離實際情況，本文作者在導師的指導下，參照前人的研究成果，在滴流床的流率分佈中採用了狀態離散、時間離散的markov過程描述了滴流床的流率分佈，結果與實驗值吻合較好。
  18. ( 3 ) how to design the bayesian test method about the parameter ' s linear hypothesis according to the relationship between the multivariate t distribution and f distribution. ( 4 ) the bayesian diagnosis and unit root test method about the random error series. ( 5 ) the bayesian mean value quality control chart when the variance is known and the mean value - standard error control chart when the variance is unknown

    然後，研究了擴散先驗分佈下單方程模型參數的貝葉斯估計理論，證明了模型系數的后驗分佈為多元t分佈，模型誤差項方差的后驗估計為逆gamma分佈；根據多元t分佈和f分佈之間的關系，構造了模型系數線性假設檢驗的貝葉斯方法；根據hpd置信區間構造了隨機誤差序列自相關的貝葉斯診斷和單位根檢驗方法，並利用單方程模型的貝葉斯推斷理論研究了方差已知時的貝葉斯均值控制圖和方差未知時的貝葉斯均值?標準差控制圖。
  19. This paper analyses deeply certain properties of special function, and uses these properties to discuss the relation between the positions of f distribution density curves with different parameters

    摘要該文較深入地分析了特殊函數的某些性質，利用這些性質分析了f分佈中不同參數所對應的密度曲線之間的位置關系。
  20. Computing algorithm of f - distribution table based on mathematica

    分佈表的計算方法
分享友人
分享到 Line

分享到臉書