速率頭 的英文怎麼說

中文拼音 [tóu]
速率頭 英文
velocity head
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 速率 : speed; rate; tempo
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車時距和可回車車時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車的實驗方法以及測量加度干擾的實驗方案,統一了計算加度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。
  2. Early versions of the probe - and - drogue receiving equipment were bulky ( especially for fighters ) and fuel transfer rates were slow

    早期版本的探錐管受油設備相當龐大(特別是對戰斗機而言)並且油料的傳送很低。
  3. The paper is based on the construction of the express - highway between yiyang and changde in hunan province, aiming at enhancing the serviceability of cement concrete pavement, probing into the structural assemblage of the cement concrete pavement, the roadway drainage system, contraction joint with the dowel bar and precaution of bumping at the end of the abutment. it presents some achievements of the research, including more reasonable structural assemblage and roadway drainage system, the method of setting dowelled bar in contraction joint, putting forward the concept of stage - transition from rigid to flexile behind abutment

    本文以湖南省益陽至常德高公路項目為依託,以提高水泥混凝土路面使用性能為目標,就水泥混凝土路面結構組合、路面排水系統、縮縫設置傳力桿、橋跳車問題的防治等方面開展研究和工程實踐,取得了豐富的研究成果,如研究採用了更合理的路面結構組合,設置了較完善的路面排水系統,在國內高公路上先全面採用縮縫加傳力桿技術,對所有橋涵構造物臺背全部採用剛柔過渡技術處理橋跳車問題等。
  4. 1, cut over a head : bring up to combine the applied technique most and early for the toshiba, and is also current usage to is the most extensive. he adopts a laser head, and prepare the different slice of 2 focal distances the sony for cut over, passing the conversion differently focusing the coming respectively reading dvd with cd, its shape looking with double head to resemble respectively, because can see two sets focuse the, laser head to interiorly can t see. he reads the signal quantity is higher, but because of want the conversioning to focuse the, therefore the cost belong to the inside and so forth of level, and recognize the dish speed slow, same the implicit mechanical trouble rate is high

    1切換雙鏡:為toshiba最早提出並應用的技術,也是目前使用最廣泛的。他採用一個激光,分別準備2個焦距不同的鏡片切換,通過轉換不同的聚焦鏡來分別讀取dvd和cd ,它的外形看起來與雙的sony相似,因為只能看到二組聚焦鏡,激光在內部看不見。他讀取信號質量較高,但由於要轉換聚焦鏡,所以成本屬于中等水平,認盤度較慢,同樣隱含的機械故障比較高。
  5. However, some markets of the automobile will come into comparative satiation before long according to this increasing currentness coupled with the limitations of the city facilities and the cost. the volume of consumerism will decline, the higher and higher quality demand of the consumers will become more important

    但是,照現在的增長勢,加上客觀上受到城市基礎設施和使用成本的局限,也許並不需要太長的時間,局部汽車消費市場就會先進入相對成熟期,汽車消費增長的度就會放緩,消費者意識將更趨理性化,客戶對于全方位服務的要求也會越來越高。
  6. In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys

    本文首先對子母式穿甲彈總體參量作了全面的計算分析,其中主要分析了子彈射出的彈道位置和必要的子彈著靶度,論證了子母式穿甲彈對付爆炸式反應裝甲的可行性,然後對子母式穿甲彈彈部進行了總體設計,其中主要對子彈的發射過程進行了詳細的分析,得出了母彈彈部發射孔內閉鎖環厚度與子彈飛離母彈度的關系、子彈長度與子彈飛離母彈度的關系、子彈長度與火藥燃燒的關系、子彈長度與母彈彈部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系,設計出了合理的母彈彈部結構和子彈的結構,並利用ansys有限元分析軟體對母彈彈部的強度進行了校核。
  7. The armor plate is a product of no cutting bits, holding the advantages that being high usingrate, firmintensity, slippery proof, easy to fix, durability and breezy, ectc. it can be used as motoway partition, air field runway and used for mine, dock, working platformand so on

    篩網作為一種無切屑產品,其鋼板利用高,強度牢固,具有防滑、通風性能好、施工方便、經久耐用等優點;用於高公路建築、大型飛機楊跑道、礦井、碼、工作平臺、隔離等。
  8. 4, single focuse the single head : is single for single laser head that panasonic lead off to adopt to focuse the double the laser beam for focusing ordering the project, he adopting the special whole synthesizing lens, passing lens in the center part ofly the focusing of formation cd the point, and pass the anastigmatic laser beam of part edge the formation the focusing of dvd the point, this kind of construction because of have no the machining to spread to move, and also can t produce the mechanical trouble, therefore increased to recognize the dish the speed, and however and also lowered the cost. but adoption this project of generation is with part of the next generation dvd nonsupports cdr

    4單聚焦單鏡:為panasonic先採用的單激光單聚焦鏡雙聚焦點方案,他採用特別的全息綜合透鏡,通過透鏡中間部分的激光束形成cd的聚焦點,通過透鏡邊緣部分的激光束形成dvd的聚焦點,這種結構由於沒有機械傳動,也不會產生機械故障,所以提高了認盤度,不過同時也降低了成本。但採用此方案的第一代和部分第二代dvd不支持cdr 。
  9. The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation

    本文以騰格里沙漠東南緣寧夏中衛縣沙坡地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:沙坡地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉最大,即群落結構變化最大。
  10. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫以及盡量降低焊接溫度或減少焊接時間(防止脆性金屬間化合物的過度增長)等措施,確保了焊接接的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型,對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  11. The data acquisition and data flow for various sensor carriers are analyzed systematically, and the calculation models are put forward. the model of quantification of wall - loss defects for in - line inspection with ultrasonic pigs has been established. and inspection data can be pretreated with this model, compressed with dpcm technique and treatd by dsp instruments

    建立了檢測數據採集量及數據處理模型,首次建立了管道壁缺陷液浸超聲檢測的量化分析模型;提出採用該模型進行數據預處理后,採用差分脈碼調制技術進行數據壓縮,採用dsp器件提高數據處理
  12. Socket function mainly realizes setting up and initializing service unit socket, initializing service unit and service unit serial and so on. bind funcion primarily binds local address and port for the socket. listen function is to evaluate the max length of server ’ s listening queue. connect function and accept function set aside rate ahead, infrom user ’ s request of establishing virtual circuit to suna, cooperate with suna to establish the connection between client and server, return the result. we make use of three handshake with data protocol and virtual circuit mode, in this way, when we translate data, we can look up communication course according to virtual circuit number, at the same time, there aren ’ t source ip address and port, end ip address and port in the head of data package, the speed of translating data advances in a certain extent. send function and recv function is to send data collaborating with suna, and copy data from the receiving queue of socket to user ’ s buffer. close function cooperate

    Socket ( )函數實現創建、初始化服務元套接字,初始化服務元及服務元序列等。 bind ( )函數為套接字綁定本地地址和埠號。 connect ( )和accept ( )函數主要是根據用戶要求預留帶寬,將用戶的建立虛電路請求轉達給服務元網路體系,協作服務元網路體系採用捎帶數據的三次握手協議建立虛電路,並告訴用戶處理結果,一方面,捎帶數據的三次握手協議在一定程度上可提高數據傳輸度;另一方面,採用虛電路方式,使得數據通信可直接根據虛電路號查找相應的通信進程,而且數據包的包中省去了源ip地址、埠號和目的ip地址、埠號,提高了數據傳輸
  13. The makers of guinness, which takes 119 seconds to pour, were the first to try to develop a faster tap

    先嘗試開發快的,是需要119秒才能裝好一杯的金尼斯啤酒製造商。
  14. Numeric analysis of inductive resistance probe and application in atmospheric corrosion

    磁阻探系統腐蝕解析及在大氣腐蝕中的應用
  15. ( 2 ) the emitter discharge of simple subsurface drip irrigation is greater than the infiltration rate after formed saturate loop in the short time. infiltration rate under subsurface drip irrigation is not only affected by soil texture, original soil moisture content and soil bulk density et al, but also by emitter discharge, which affect by water pressure

    ( 2 )地下滴灌的灌水器出流量一般在較短時間內形成飽和圈后,土壤入滲不僅受到土壤質地、土壤初始含水、土壤容重等因素的制約,而且還與影響灌水器出流的壓力水有關。
  16. This step should be repeated 15 times at a rate of 80 per minute. then move to the patient s head and clear his airway. apply mouth - to - mouth ventilation twice

    以上動作以每分鐘80次之,連續做15次,再移向病者部,暢通氣道,做兩次人工呼吸。
  17. Thirdly, the wire size variations, vertical balance, insulation and joint features on adsl lines will affect the insertion loss and introduce additional noise, thus reducing the transmission rate and degrading the transmission performance. fourthly, the bridge tap on the adsl line will greatly change the frequency response and phase - frequency features of the line insertion loss

    第三,線對線徑的改變、線路的縱向平衡性、線路的絕緣性能和線路接的性能將影響線路的插入損耗、引入附加噪聲,從而降低adsl的傳輸,影響adsl的傳輸性能。
  18. Although adsl comes with new digital processing, coding, modulation and error correction technologies, it is also faced with various challenges out of subscriber lines, such as background noise, impulse noise, insertion loss, cross talk, wire size variations, bridge tap, line joints and line insulation, etc. all those factors tend to produce adverse impacts on the performance of high - speed transmission services. firstly, the insertion loss of copper lines increases in proportion to the length of lines

    雖然adsl採用先進的數字信號處理技術、編碼調制技術和糾錯技術,但是在推廣adsl業務時,用戶線路的許多特性,包括線路上的背景噪聲、脈沖噪聲、線路的插入損耗、線路間的串擾、線徑的變化、線路的橋接抽、線路接和線路絕緣等因素將影響高傳輸業務的性能。
  19. A fpga is used as the controller, performing the necessary processing such as eliminating the head of the encoded data frame, storing the speech data into fifo and transmitting it

    控制晶元採用fpga ,完成復位、分頻及對已編碼幀數據進行去幀、在fifo中暫存等處理並以低發送。
  20. Among those younger than 50 years, migraineurs with aura declined at the same rate on the mmse as nonmigraineurs

    在年齡小於50歲的患者中,先兆偏痛患者和非偏痛患者在細微精神狀態檢查中分數降低的是相同的。
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