距比 的英文怎麼說

中文拼音 [jùbǐ]
距比 英文
t distance ratio
  • 距 : Ⅰ名詞1 （距離） distance 2 （雄雞、雉等的腿的後面突出像腳趾的部分） spur （of a cock etc ）Ⅱ動詞...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. Calibration specification for base circle pitch comparator

    基圓齒距比較儀校準規范
  2. Calibration specification for hand - hold pitch comparator

    手持式齒距比較儀校準規范
  3. For hoods with shutters in four sides, the results show : 1 ) the hoods positively placed boards are called hoods used for venting airflow ; hoods negatively placed boards are called hoods used for leading airflow ; 2 ) among the hoods used for venting airflow, the most effective hoods should have positive declining angle value of 30, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 70 mm to 120 mm and the value of b / h range from 0. 5 to 0. 6 ; 3 ) the most effective hoods should have negative declining angle value of 60, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 100 mm to 170 mm ( the optimum value is 120 mm ) and the value of b / h range from 1. 4 to 2. 2 ( the optimum value is 2. 0 )

    對於四面設百葉型風帽，計算表明: l ）正裝傾斜擋板的百葉型風帽可認為是排風型風帽，倒裝擋板傾斜的百葉型風帽可認為是進風型風帽; 2 ）排風型風帽中，擋板正裝30 」 、風帽四個迎風面的有效面積fy和風管凈斷面積fj的比值（ fy腸）為4 、擋板寬度b在70inln到120inln之間、板間距比值隴在0 . 5到0 . 6的百葉型風帽排風效果最好; 3 ）進風型風帽中，擋板倒裝裝60 「 、風帽四個迎風面的有效面積和風管凈斷面積的比值（ fy例）為4 、擋板寬度b在100咖到170mm之間（ 120mm為最佳） 、板間距比值隴在1 . 4到2 . 0的進風型風帽（ b爪= 2 . 0為最佳）的百葉型風帽進效果最好。
  4. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流，沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高，沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后，射流沖擊冷卻的范圍變窄，當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流，孔排間距與直徑比的增加使沖擊冷卻范圍變大，但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下，後排射流的沖擊換熱效果要遜於前排射流。
  5. Yao returned with 10 : 53 left, mcgrady was back a minute later and the rockets controlled their opener from there

    姚明在距比賽剩餘10 : 53秒再次披掛上陣，一分鐘后麥迪也重新回到場上，火箭此後接管了比賽
  6. A dropped ball to restart the match after play has been temporarily stopped inside the goal area takes place on the goal area line parallel to the goal line at the point nearest to where the ball was located when play was stopped

    比賽暫停之後，在距比賽停止時球所在的球門區內的地點最近的，與球門線平行的球門區線上墜球，重新開始比賽。
  7. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理，總結出三條降噪途徑：在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度；調整節距排列順序、花紋條之間的錯位值，使各發聲單元發出的聲壓時域波形的同向峰值錯開，避免同向峰值疊加；調整花紋塊和槽比例、節距比例、節距排列順序，盡量避免周期性分佈，使輪胎所發出的噪聲趨于白噪化，避免某些頻段的異常高峰值。
  8. Barry sank a 3 - pointer after mcgrady came in for a 78 - 67 houston lead and mcgrady ' s 3 - pointer with 6 : 50 left gave the rockets their biggest lead to that point, at 83 - 71

    巴里在麥迪入場后以一個3分球是火箭領先優勢達到78 - 67 .麥迪距比賽結束6 : 50秒的3分是火箭拿到全場最大的比分差距- 83比71
  9. Anyway, you know it was a hell ofa lot closerthan the score

    不管怎樣，你知道實際差距比比分小的多
  10. In the design of holographic disc storage system, we first proposed an optimized reflection configuration for sam fourier - transform hologram storage. then we designed and manufactured an asymmetrical fourier transform lens pair, which matched the parameters of slm and ccd and the system requirements. in order to achieve 1 : 1 pixel - matching of high resolution data pages ( 1024 768 ) between slm and ccd, the two lenses were designed and optimized in an iterative manner, and the combination of them reached satisfactory results with eliminated aberrations that can meet the design requirements

    首先提出來用於反射式傅立葉變換體全息存儲的空間-角度復用的光路機構，然後按照slm和ccd的光學參數以及系統的工作要求提出傅立葉變換鏡頭的設計條件，為實現在1024 768幅面的1 : 1像素匹配，設計採用非對稱結構的傅立葉變換鏡頭，可以解決slm與ccd像素尺寸相差比較大的問題，使兩個鏡頭的焦距比同slm和ccd的像素尺寸比相等。
  11. In one of the tests we showed participants a block of faces with wide - spaced eyes and then asked them to compare these with a face that had narrow - spaced eyes

    其中的一個實驗是，先向實驗者展示一系列眼距比較寬的面孔，然後讓他們與另一張眼距比較窄的面孔進行對比。
  12. Virtual pitch ratio

    實效螺距比
  13. When the calculated offset from recorded chirp is higher from the sum of offset and delta offset then such record is repeated

    當計算后的記錄的短促聲波的垂距比垂距和三角垂距的總和要高的時候，這樣的紀錄將被重置。
  14. The wind rates of roots blower with these various kinds of three - lobe circular arc rotor are calculated and comparison between their performances is carried out. it is found that three - lobe rotor with external - internal circular arc and cycloid can produce the largest air volume. comparing the air pulsation produced by cylinder rotor and helix rotor, and proof that the structure of helix rotor can reduce the noise of roots blower

    本文給出了羅茨鼓風機三種不同的圓弧轉子型線的參數方程（外圓弧及其包絡線型、內圓弧及其包絡線型、和內外圓弧加擺線型） ，還給出了這三種轉子的徑距比（ r _ a a ）的極值，並進行比較，得到：內外圓弧加擺線線型是最優線型這一結論；為降低羅茨風機的噪聲，將傳統的直葉轉子改成扭葉轉子。
  15. In the past two years, there is a shortage of electricity in large areas of our country, which not only promote the rapid development of the power industry, the substantial increase in investment in all parts of the electricity is directly stimulated electrical equipment market demand

    本文通過對我國電力二次設備行業的技術發展狀況及國內外差距比較分析，找出了技術差距。隨著我國電力體制改革的進一步深入和加入wto后電力行業逐步對外開放，我國電力二次設備行業面臨著巨大的機遇和挑戰。
  16. There is still a long distance between china and developed countries in the competitive ability of intellectual property right rights, especially in the quantity and quality of enterprises participating in the international competition of proprietary intellectual property right rights

    中國在知識產權競爭能力上，特別是企業在參與國際競爭的自主知識產權的數量和質量上，與發達國家差距比較大。
  17. This is a considerably wider spread than the trading range already experienced and suggests a huge measure of uncertainty, to a horizon of only ten months

    這種差距比起至今所見的實際買賣幅度還大得多，可見只是未來10個月的時間里，歐元已經存在這樣大的不明朗因素。
  18. This dissertation analyzed the short - term compensation incentive of commercial banks and thinks that there exists following present situations : the level of salary and benefit was low, the compensation structure wasn ’ t reasonable, the compensation disparity was large, and the pertinence between compensation and achievements exists difference

    文章首先對我國商業銀行短期薪酬激勵進行了分析，認為存在如下現狀:薪酬水平與效益水平較低、薪酬結構不合理、薪酬差距比較大、薪酬與業績相關性存在差異。
  19. A line half a metre long must be drawn two metres from the centre of the competition area for positioning the referee

    距比賽場地中心點2公尺處，劃一條0 . 5公尺長的線為主審的位置。
  20. The factors, especially the interval, that affect the statistic mean wind velocity are expatiated. then the effects on the power spectrum of pulsating wind pressure as well as on the dynamic response of the structure under wind loads are analyzed by means of monte carlo method when the square item of pulsating wind velocity is ignored

    在分析了平均時距對統計平均風速影響的基礎上，進而以結構的可靠度為指標利用montecarlo方法分析了當平均時距比較大時，脈動風速平方項對脈動風壓功率譜的影響。
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