直通率 的英文怎麼說

中文拼音 [zhítōng]
直通率 英文
first pass yield
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : 通量詞(用於動作)
  • : 率名詞(比值) rate; ratio; proportion
  • 直通 : direct connection; straight in
  1. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式,建立了過逼近圓弧圓心的線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線,不需要求解非線性方程組,避免了計算可能不收斂的麻煩,簡化了非圓曲線的節點計算過程
  2. The video signal is directed to the crt through a sound trap which eliminates the sound-carrier frequency.

    視頻信號過聲音陷波電路,消除聲音載波頻達CRT。
  3. The czech government had been informed in bald terms on the evening of the twenty-eighth.

    28日晚上,捷克政府只是收到措詞知。
  4. By directly applying the discount rate on the marked price and

    過對標簽價格接應用折扣)和
  5. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例長孔式混合器控制空燃比;過提高壓縮比來彌補動力性的損失;以動力性為主控目標,對最大功點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;過空燃比的合理控制,接改善發動機的動力性、經濟和排放指標;作為對缸內燃燒過程的理論分析,進行了燃燒特性的實驗測試;對原汽油機和新開發的液化石油氣發動機,進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。
  6. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗裂性能良好,空隙小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。
  7. The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be

    編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序,實現了對固體浸沒透鏡光存儲系統的數值模擬;著重研究了線偏振的高斯光束過固體浸沒透鏡的光傳輸和近場光場分佈特性;分析了固體浸沒透鏡底面出射光強、光斑徑隨固體浸沒透鏡折射的變化、光透過固體浸沒透鏡后的強度、光斑徑隨離開固體浸沒透鏡底面距離的變化。
  8. Binary linear ( vertical and horizontal ) polarization is used by all chinese communication satellites, and binary circular ( right - hand and left - hand ) polarization is often used by some intelsat and some russian satellites in c - band

    中國信衛星都採用由垂極化和水平極化構成的雙線極化頻復用方式,國際衛星組織和俄羅斯的一些c頻段衛星則採用由左旋極化和右旋極化構成的雙圓極化頻復用方式。
  9. As jay chiat intuited, big companies often show more signs of sickness ( low morale, dissatisfied customers, meagre margins ) than their smaller competitors

    正如傑伊?恰特憑覺知道的,相比較小的競爭對手,大公司常有更多病癥(士氣低落、顧客不滿、利潤微薄) 。
  10. As a result, in the paper, considering the altitudinal effect ( topography factor ) and the influence on the temperature lapse rate by topography and latitude and longitude and moisture transfer, the study on the daily surface air mean, max and min temperature in the reaches of yangtze rive is attempted by five models, which include the gaussian weighted model, the gaussian weighted model associated with the error - modification, the gradient plus inverse distance squared model and the modified gaussian weighted model a and b that take topography - factor into account

    本文考慮海拔高度和溫度受地形和經、緯度及水汽等因素的影響,過利用高斯權重法、結合逐步訂正的高斯權重法、梯度距離權重反比法和加入地形影響項(地形因子)的兩種改進高斯權重法的方案a 、 b ,對長江流域的地面日平均、最高和最低氣溫場進行了空間化插值研究。
  11. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜變化大,加工難度大,是斜航線冷卻道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  12. The adsorption isotherm of neptunium on silica gel correspond to the form of langmuir isotherm. according to clausius - claperon equation, from the slope in inkd vs 1 / t plot, adsorption heat could be estimated. from the data of adsorption heat it is concluded that the adsorption of neptunium on silica gel in nitric acid solutions belongs to chemical adsorption and the adsorption process is an endothermic reaction

    三種價態的鎿在硅膠上吸附的等溫線符合蘭格繆爾吸附等溫線的形式,是單分子層吸附;根據克勞修斯-克拉柏龍方程,以1nkd對1 t作圖,線斜計算出吸附熱,從吸附熱的數據可判斷三種價態的鎿在硅膠上的吸附屬于化學吸附,是吸熱的過程;對npov ) 、 np ( v )和np ( vd在硅膠上的吸附進行了比較,提出了三種價態的鋒在硅膠上吸附的機理。
  13. Finally, with the optimized chaos sequences, the results of software simulation on vhf - rc indicates that ds - ss outbalances the bpsk system without spread spectrum due to ber and the ds - ss with kent sequence is better than the one with golden sequence in some extend

    最後本文對數字混沌序列進行了優選,在超短波中繼道模型上的模擬結果表明混沌信相比于非擴頻的bpsk信在誤碼方面明顯較低;相對于線性擴頻碼( gold序列) ,同樣誤碼較低。
  14. The efficiency and quality of passenger, railway station ' s tasks effects the accomplishment of the railway transportation directly. the dispatching work is the key of prt " s running and organization which depends closely on the phase plan and the cars " transferring plan

    客運站作業的效和質量接影響到鐵路旅客運輸任務的完成,客運站的行車組織工作以站調工作為核心,他的調度指揮工作是過編制與執行階段計劃、調車計劃來實現的。
  15. As to the import and export enterprises, they do not need to make customs declaration for the second time, thus greatly improving the efficiency ; this helps them reduce the the cost for customs declaration

    對于廣大進出口企業,開口岸式監管業務,一是改變原來轉關運輸需二次申報,為一次報關完成,減少環節,縮短關時間,可以大大地提高企業關效二是避免了企業在青島淄博兩地的奔波,可以
  16. Compared with full - bridge or half - bridge converter, a two - transistor forward converter has no risk of direct break - through in the two transistors of the same leg, it is suitable for high voltage input high power output application

    另外,和全橋變換器或是半橋變換器相比,交錯並聯雙管正激變換器不存在橋臂的缺陷,因而比較可靠。因此,它適合於高壓輸入大功輸出的應用場合。
  17. This inverter consists of a two - quadrant dc / dc converter and an inverted bridge in series, which has a lot of merits such as : the amount of the power switch working in high frequency situation is reduced ; it has not the risk of short - circuit ; the volume and the weight of the filter is minished

    本文研究了一種基於dc dc變換器拓撲逆變器,該逆變器是由一兩象限的dc 0c變換器和一逆變橋級聯而成,具有高頻工作的功管少、無、濾波器體積重量小、控制簡單等優點。
  18. Wood features : medium shiny wood ; no special odor, high intensity, heavy timber, durability strong, stable performance and ruggedness structure

    木材特性:具有較強光澤,紋理,結構細膩均勻,強度高,干縮中等,很具耐腐性且抗白蟻。
  19. The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization

    而傳統的無速度傳感器雙饋調速矢量控制系統,由於採用磁鏈定向方法,在同步速附近存在較大的工作死區,針對上述問題,本文做了如下的研究工作:本文從雙饋電機的數學模型出發,根據矢量控制的基本原理,提出了一種轉子側功因數為1的雙饋電機矢量控制方案的設想,即在雙饋調速時採用轉子電流定向的方法,並控制外加轉子電壓與轉子電流始終反相,以保持了轉子電流與轉子磁鏈矢量垂過控制轉子電流的大小來達到控制電機電磁轉矩的要求。
  20. Slave cpu receives the spwm data and output the spwm wave by query the spwm table. the dead time is generated by hardware to prevent the h bridge arm from short directly. the power out module is protected for over current, over voltage and over heat

    逆變器採用雙cpu結構,使用spi進行連接,主cpu完成輸入、輸出和spwm波形數據的計算,從cpu接收到spwm數據后使用查表方法輸出spwm波形,使用硬體電路生成死區時間防止橋臂,對輸出功模塊進行了過流、短路、過壓、過熱保護。
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