頻群 的英文怎麼說

中文拼音 [bīnqún]
頻群 英文
frequency group
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : Ⅰ名詞(聚在一起的人或物) crowd; group Ⅱ量詞(用於成群的人或物) group; herd; flock
  1. The frequency of albinism gene in the andrias davidianus population in the giant salamander hole in xingwen county, sichuan province

    四川省興文縣大鯢洞的大鯢種中白化基因的
  2. Production on two new pirates of the caribbean films, starring keira knightley, has been halted because of raids by real - life brigands, according to reports from the bahamas. two cast members have been forced to flee for their lives after a series of robberies at the grand bahama island location, producers of the disney film said

    據泰晤士報網站11月25日報道,迪斯尼電影公司加勒比海盜續集的拍攝工作已經被迫中斷,原因是劇組和演員最近在巴哈馬島拍攝地遭到現實生活中盜賊的繁騷擾。
  3. At the other end of the technological spectrum, the american bible society produces an audio device, powered by a battery or hand crank and no bigger than a couple of cigar boxes, that can broadcast the bible to a crowd of a hundred

    而在技術譜的另一端,美國聖經公會生產了一種音設備,採用電池或手搖發電,不過兩個雪茄盒大小,就能向上百的人播放聖經。
  4. But elevator suo by means of yi frequency changer, request by far to kao, also all yi hat, necessitate ask for has ranking brain trust and male thick bankroll make out shield, then can attainment these mission, for reach bourne no cherish go over huge money

    但是電梯所用之變器,條件要求甚高,亦是所有之冠,必須要有超的智囊團及雄厚的資金做後盾,才可達成這個使命,為達目的不惜投入巨資
  5. ( 4 ) the correlation property between the distribution of attenuation factor and that of the group velocity is indicated, in this study

    ( 4 )研究結果顯示,在率域內,面波衰減系數分佈與速度分佈具有一定的相關性。
  6. During the period of dahe to huichang in tang dynasty, there appeared a group of idle scholars who centered around bai ju - yi and featured frequent making - friends, drunken versification, and fostered seclusion, thus embodying idle activities both in life interests and in creation

    摘要唐大和初至會昌年間,在東都洛陽形成一個以白居易為核心的文人體,他們交遊繁,詩酒狂放,追步中隱,在生活情趣與創作方面,都表現出閑適的特點。
  7. There is also a general lowering of vigor in inbred stock ( inbreeding depression ), which is especially pronounced amongst normally outbreeding populations

    而雜合型出現的率降低,因而降低了種基因的潛在可變性。
  8. But the rest was on hand, and so they all come and shook hands with the king and thanked him and talked to him ; and then they shook hands with the duke and didn t say nothing, but just kept a - smiling and bobbing their heads like a passel of sapheads whilst he made all sorts of signs with his hands and said " goo - goo - goo - goo - goo " all the time, like a baby that can t talk

    不過其餘的人都在場,他們就一個個走上前來,和國王握手,謝謝他,並和他說起話來。隨后他們和公爵握手,並沒有說什麼話,只是臉上始終透著笑容,點點頭,活象一傻瓜蛋。而他呢,做出種種手勢,從頭到尾只說「穀穀穀穀谷」彷彿象一個嬰孩還說不成話似的。
  9. Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity

    採用體遺傳學分析、家系組合分析法、先證者同胞法、分離分析法及多基因閾值模式分析方法對所得家系資料進行了統計學分析,結合家繫系譜分析探討了上述6項特徵的遺傳方式;通過雙生子一致率的比較,對上述特徵的遺傳與環境效應的相對重要性進行了評價;計算了呼和浩特市漢族體5對遺傳性狀的基因率,採用u檢驗方法與相關文獻報道的其他體進行了比較,探討了不同種族間或民族間的遺傳差異性。
  10. Assume the and are the frequency of a in the donor and recipient populations.

    假定和分別是輸出和輸入體中基因a的率。
  11. Scrambler - a device that electronically alters a program signal so that it can be seen only by persons, typically paid subscribers, with appropriate decoding, or " descrambler " devices

    器-此電子設備可以改變一個節目的信號,只有在正確的解碼或安裝正確的裝置時,才能被特定人收看,特別是付費訂戶。
  12. Chapter 4 designs and determines the parameters of the algorithm adopted in the instrument system. analyzes and compares the different effects to frequency estimation when using digital filters with different group delay ; determines the data length, a parameter of frequency estimation ; introduces the method of available judgment of sensing signal and determines the judgment threshold as well

    第四章設計和確定了儀器系統軟體演算法的部分參數:分析和比較了不同延遲特性的數字濾波器對率估計的影響;確定了影響率估計參數?數據長度的取值規律;給出了判斷傳感信號有效性的檢測方法並確定了檢測門限的取值規律。
  13. This paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    針對我國主要豆科作物大豆和花生的研究成果,並結合本身研究工作內容, ( 1 )總結了與宿主共生的根瘤菌生物學多樣性,包括大、小樣本的土著根瘤菌體數量、分離率、類型與分佈及其菌株宿主共生混交性與親和性; ( 2 )評述了根瘤菌宿主植物共生體雙邊固氮改良,包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇; ( 3 )討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  14. Abstract : this paper concerns studies on rhizobia in symbiosis with important legume soybean and peanut crops in china, following : 1 ) summarized bio - diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, and strain - host promiscuity and compatibility from large and small samples. 2 ) reviewed symbiont improvement in both sides of rhizobia and hosts, involving selection of effective rhizobial strains, evoluation and utilization of the host germplasm for symbiotic properties, and selection of the both sides for special characters. 3 ) discussed the subject on the rich symbiont germplasm resource in china and on further research being necessary to exploitation and utilization of the benificial germplasm

    文摘:針對我國主要豆科作物大豆和花生的研究成果,並結合本身研究工作內容, ( 1 )總結了與宿主共生的根瘤菌生物學多樣性,包括大、小樣本的土著根瘤菌體數量、分離率、類型與分佈及其菌株宿主共生混交性與親和性; ( 2 )評述了根瘤菌宿主植物共生體雙邊固氮改良,包括優良菌株的選育、宿主品種資源共生特性的評價與利用及特異性狀的選擇; ( 3 )討論了我國這一類共生體資源的豐富性以及有必要進一步加大力度研究有益資源的開發和利用的問題。
  15. Design of virtual instruments based ultrasonic data acquistion system

    器件實現的虛擬電子儀器中的高智能率計
  16. Company now have independence develop ten many china patent and many independence intellectual property ' s software copyright ' s product ; company major product : cable television consumer management control system ( but look for address 2 - 8 branches allot style, 8 - 32 gather line style ) ; shoot frequently plus unfasten harass system ( crowd plus crowd unfasten, cent two sections, point channel shan unfasten ) ; video frequency number subsections plus unfasten harass system ; cable television network burglarproof sow system ; number cable television product is with number mmds ( microwave ) systematically ; general purpose type prevent thunder supply electric appliances, shoot frequently automate supply electric appliances, but look for address control supply electric appliances ; power supply prevents thunder protection product ; pass flow branch, dispenser, split utensil, cavernous wave utensil, power supply inserts utensil, but transfer attenuator, but transfer equalizer wait for

    目前擁有十多項中國專利和多個自主知識產權的軟體版權的產品;公司主要產品:有線電視用戶管理控制系統(可尋址2 - 8戶分支分配式、 8 - 32戶集線式) ;射加解擾系統(解、分兩段、按道單解) ;視數字分段加解擾系統;有線電視網路防盜播系統;數字有線電視產品與數字mmds (微波)系統;通用型防雷供電器,射自動控制供電器,可尋址控制供電器;電源防雷保護產品;過流分支、分配器,分流器、陷波器、電源插入器,衰減器、均衡器等。
  17. Will it be may 27 2001, channel u in established by xiang river by pretty hillfoot of yuelu mountain, face city crowd, terrestrial surface radiation only synthesizes the channel

    2001年5月27日,湖南電視臺都市道在鐘靈毓秀的麓山之側、湘水之濱橫空出世,是面向都市人、地面輻射的唯一綜合道。
  18. In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability

    本文演算法避免了這個缺陷,且不需要復雜的hash數據結構,通過構造一個userid - uel關聯矩陣,對列向量進行相似性分析得到相似客戶體,對行向量進行相似性度量獲得相關web頁面,對後者再進一步處理得到繁訪問路徑。實驗結果表明了演算法的有效性。第四是本文將傳統數據挖掘過程中的各種關鍵技術,引入到對web使用信息的挖掘活動中,結合關系數據庫的特點設計並實現了一個具有可廣西人學頎士學位論義視化功能的web使用挖掘系統wlgms 。
  19. The converter mainly accomplishes changing the c - band rf to intermediate frequency 70mhz, amplifying and gaining. the thesis includes r & d of local oscillator and group - delay equalizer. the thesis overall views the historical development future trend, introduces the theories, applications and characteristics

    該變器主要完成雙通道c段射信號到70mhz中的變、放大和增益控制等功能,本文的主要工作是下變器中的本地振蕩器和中頻群延遲均衡器兩部分的研製。
  20. Based on that and the actual request, the thesis focuses on two ways of frequency synthesis : phase - loop locked and phase - loop locked + direct digital synthesis. then it introduces the concepts of group - delay and all - pass network, analyzes the theory of equalizing the group - delay of filter by all - pass network, simulates the design and sums up a perfect designing and debugging precept

    頻群延遲的均衡通過全通網路來實現,文中給出了信號傳輸中延遲的概念以及全通網路的概念,詳細分析了全通網路用作延遲均衡器的設計原理,並對設計進行了計算機模擬,給出了滿足要求的設計方案。
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