速距關系 的英文怎麼說

中文拼音 [guān]
速距關系 英文
velocity distance relation
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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...
  • : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  1. It has been improved, and specially proposed : firstly, we has increased run speed and ensure the diversity of population is with constructing non - dominated set by throwing off the dominated solutions, expressing the interior relation of individuals each other by the crowding distance, and constructing new population. secondly, we have further improved its convergence performance by clustering in precondition of ensuring a better distribution of individuals

    該文以nsga -為基準,對演算法進行了改進,具體提出了:用排除法構造非支配集、用聚集離刻畫個體間的內部以及構造新群體,來提高運行度和保持群體的多樣性;用聚類演算法在保持原有特性的前提下,進一步改善收斂性能等。
  2. The records we used are mainly from three parts : strong ground motion data before 1992 ' s ; data from scec ( south california earthquake catalog ) ; nsmp ( national strong motion project ). after we developed the attenuation laws, we analysis the attenuation characteristics for the pga and sa with different damping ratio. here we mainly concentrate on the effect of the distance and the magnitude

    在回歸出中小地震的衰減后,本文對峰值加度(水平向與垂向) 、加度反應譜(阻尼比分別為0 . 005 、 0 . 02 、 0 . 05 、 0 . 1 、 0 . 2 )的衰減特性進行了分析,影響因素主要考慮了震級與離這兩個方面。
  3. We that one a of specialities produce little electrical home appliances the enterprises of productses, locate in and enjoy " mould of china city ", the yuyao of zhejiang of titles of " plastic of china city " ; from 60 kilometers of ports in ningbo, exports 5 kilometers from high speed yuyao of turtledove of hangzhou of shanghai, geographical environment is superior, complete auxiliary facility, produce electric sweeper, electric toothbrush, steam cleaner, car refrigerator, popcorn maker, etc

    我司地處享有「中國塑料城」 「中國模具城」之稱的浙江餘姚,寧波港口60km ,離滬杭甬高餘姚出口5km ,地理環境優越,配套設施完備。是一家集研發生產出口於一體的小家電列產品的專業廠家,主要生產電動掃地機電動牙刷蒸汽清潔器爆米花機汽車冰箱等,產品通過tuv gs ce認證,質量第一,交貨及時,竭誠歡迎國內外客商與我們聯,共同建立業務合作
  4. So when the layers have the anisotropic properties, seismic wave " s velocity and moveout will become complex. it needs to acquire the anisotropic moveout formulas and the connection of layers parameters with velocity. then using multi - wave information sufficiently to analyse the seismic data

    因此,在地層存在各向異性時,使地震波度和時曲線變得很復雜,需要求取各向異性的時曲線擬合公式和分析地層參數與度的,從而更充分的利用多波信息進行各向異性介質的分析處理。
  5. Based on the analysis of the kinetic track of the scallion during planting, basic relationships ' among the characteristic parameters of the transplanter with two flexible metal disks, including the velocity of the transplanter, the rate of transplanting, the spacing between seedlings, the angle of releasing seedlings, the diameter and length of seedlings, have been set up in this paper, and then a mathematic model of optimum design for the transplanter with the final planting angle of seedlings ( y = 90 ) has been formulated and solved with good results. according to the optimum solutions, a new type of transplanter with two flexible metal disks has been developed and the field tests of the transplanter have been conducted

    為了實現大蔥機械化移栽,作者分析了國內各種移栽機的結構特點,確定了以撓性圓盤式栽植器為研究對象,在分析撓性圓盤式栽植器的運動軌跡和特徵參數的基礎上,完整地確立了撓性圓盤式移栽機的基本參數:栽植頻率、栽植株、機組前進度、輸送帶上秧槽的間、撓性圓盤半徑、撓性圓盤的轉、夾苗株數以及傳動比之間的相互,並建立了以蔥苗栽植傾角= 90為目標的優化設計數學模型,提出了撓性圓盤式大蔥移栽機的優化設計方法。
  6. In the second chapter, firstly, the theory of target resolving is introduced. secondly, the echo of radar is commoned, and characteristic of lfm is analyzed and summarized

    第二章主要介紹了多目標分辨的理論基礎,分析了離分辨力、度分辨力與模糊函數之間的
  7. In addition, effects of several factors such as local site conditions, focal mechanism, epicentral distance and seismic magnitude on these parameters are discussed, and several significative results and conclusions are obtained. in all records there are about 1 / 3 vertical ground motion ’ s peak acceleration bigger than 2 / 3 of the corresponding horizontal one, so the action of vertical ground motion should not to be underestimated. vertical design response spectrum equals that the horizontal design response spectra times 65 % is probably unsafe when period is short, and suggest adopting different coefficients when at different periods

    本文基於對大量歐洲強震記錄的研究,分析了地震動豎向與水平向分量在峰值加度、反應譜值、頻譜周期等參數方面的差異,以及這些參數與場地、震源機制、震級和震中,得到了以下有意義的結果和結論:在本文分析的地震記錄中大約1 / 3的記錄加度峰值比大於2 / 3 ,豎向地震動分量的作用不可低估;在短周期,豎向地震動影響數的最大值僅取為水平向地震動影響數最大值的65 %是偏於不安全的,可以考慮按周期分段採用不同的折減數;我國現行抗震規范中設計反應譜特徵周期的取值偏低,可能是偏於不安全的;豎向與水平向地震動分量卓越周期的比值在0 . 7 - 0 . 9之間,豎向設計反應譜的特徵周期應有單獨規定。
  8. The calculating formulas show that braking distance depends on initial braking speed, road dragging coefficient, mad slope grade, braking force increasing time ; and nothing to do with total mass of crane

    計算公式表明:決定汽車起重機制動離的主要因素是制動初度、路面阻力數、道路坡度和制動力增加時間;汽車起重機總質量與制動離無直接
  9. Velocity distance relation

    速距關系
  10. This paper confirms a kind of non - linear mapping relation between vibration velocity of particles on building and the influence factors, such as total explosive charge, maximum explosive charge fired at the same time, the distance between blasting point and monitoring points, peak particle velocity of ground where building is, the height from monitoring point to ground, and so on, and sets up a support vector machine ( svm ) model for forecasting the vibration effect induced by an explosion

    應用支持向量機,建立了總藥量、最大段藥量、爆破點與監測點離、構築物所在地面震動峰值度、測點到地面的高度等因素與建築物上的質點震動度之間的非線性映射,確立了支持向量機預測模型。
  11. The dissertation also does a research on the control strategies of mechanical control parts. the theoretical expression among needle valve throttle area, cam - control valve throttle area and the equivalent throttle area of combining control is given, and the principle of combining control of the two valves is analyzed. the arresting control strategies under various engaging conditions are presented, namely the engaging condition of same overrunning length and same engaging speed but different weight, the engaging condition of same overrunning length and same weight but different speed as well as the engaging condition of same weight and same engaging speed but different overrunning length

    研究了機械控制機構的控制策略:從理論上推導出了針閥節流面積、凸輪控制閥節流面積及聯合控制的當量節流面積三者之間的表達式;分析了針閥與凸輪閥聯合控制的控制原理和方法;給出了同攔停離同撞網度不同重量飛機撞網狀況、同攔停離相同重量不同撞網度飛機撞網狀況以及同重量飛機同撞網度不同攔停離撞網狀況的攔阻控制策略。
  12. ( 2 ) the mechanism of laser triggered multi - stage multi - channel switch was studied. the results of experiments and calculations show that the delay and jitter decreased exponentially as the working voltage increased. the delay and jitter decreased as the gas pressure increased ( t _ ( d ) p ~ ( - 1 ) if e / p > 0. 8 ( e / p ) _ ( lim )

    B :觸發延遲與聚焦透鏡焦「 z一pinch , ,加器閉合開技術研究之間存在一定的依賴,以nz為工作介質時焦增長觸發延遲上升,欠壓比越大觸發延遲對焦的依賴越弱;以nz / sf 。
  13. Studies have shown, lead impeller nozzle it forms the hole to be equal to size of the nozzle, gush out from light, difficult to arrange bits and realize it cut one layer of advantages effectively ; under the equal condition, rotate the nozzle by oneself, can be designed in accordance with the actual need while vary the size of aperture of hole, gush out the distance longer effectively, it is apt to give play to the role of its pulse broken rock

    以此設計出限部分的參數,且初步討論射流功率與轉之間的。研究表明,內導葉輪噴頭形成鉆孔孔徑與噴頭大小相當,有效噴小,不易排屑和實現其切向剝層優勢;同等條件下,自旋轉噴頭,成孔孔徑大小可依實際需要設計,有效噴較長,易於發揮其脈沖破巖作用。
  14. This formula combines two basic laws : newton ' s law of gravity ( which relates the force of gravity between bodies to the bodies ' masses and separation ) and newton ' s second law ( which relates force to acceleration )

    這個公式結合了兩項基本定律:萬有引力定律(即兩物體間的重力是和物體的質量與離有)以及牛頓第二運動定律(力和加度的) 。
  15. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體,計算結果用excel進行處理,通過對大量數值工況進行數值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為流體流經百葉風口內部時的度,即有效度,而工程上常使用流體的來流度來計算,計算表明,的理論計算值與工程應用值的為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來流度一定時,擋板傾斜角度越小,壓力損失越小、出口度越小;因此在要求進口風比較小的場所,如播音室、圖書館等,宜採用擋板角度30的百葉風口;在要求進口風比較大的場所,如電影院、辦公室等,百葉擋板的角度應選45 ; 3 )當來流度一定時,百葉擋板的擋板寬度b與擋板間h的比值b h越大,壓力損失越大,出口度越小,計算表明,鑒于壓力損失、出口風、板間形成渦流區的大小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為最佳值; 4 )當來流度一定時,在計算的條件下,當百葉擋板寬度b = 40mm時,百葉擋板的阻力數最小,考慮到渦流區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技大學碩士學位論文5 )百葉擋板的厚度取為1 . sinln為好; 6 )百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板,利用其較好的導流作用,可得到更好的出流效果。
  16. The present results indicate that the quantitative description of the non - dimensional mean lateral streak spacing + differs from the results previously published. the spacing + is not a constant value of 100. it becomes larger as the reynolds number in terms of shear velocity increase

    試驗結果表明,低帶間的無量綱數+並非為以往一致認為的100左右的常數,而是隨摩阻雷諾數的增大而逐漸增大,在水力光滑區與摩阻雷諾數成二次方,在過渡區則為線性
  17. American astronomer edwin hubble in 1929 discovered that the recession rate of galaxies was directly proportional to their distance. this is what we call the hubble s law which defines that v h

    美國天文學家哈勃於1929年發現星退行度與其離存在著正比的,即所謂哈勃定律:退行度v h
  18. In the east of greenland and the northwest of canada, there were obvious correlation between the vertical velocity field and the temperature anomaly of the same term. but the stream field continuous anomaly region can primely explain the phenomenon

    藉助于svd分析方法,逐日分析了30hpa垂直度場與同期30hpa溫度場間的,在格陵蘭東部地區和加拿大西北部的垂直度與同期溫度平異常有顯著的
  19. According to these models, four speed - spacing relations and four rear - end collision models are got accordingly

    以四種跟馳模型為基礎,分別建立了相應的度間和車輛追尾模型。
  20. Common reflection surface ( crs ) stack, which depends on three attributes of the seismic wave - field, is a seismic imaging method independent of the macro - model

    摘要共反射面疊加方法運用3個地震波場參數來描述地下反射面元時,不對地下反射界面形狀做任何假設,並且是一種不依賴于宏觀度模型的反射波成像方法。
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