用車比率 的英文怎麼說
中文拼音 [yòngjūbǐlǜ]
用車比率
英文
motorisation- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 車 : 車名詞1. (中國象棋棋子的一種) chariot, one of the pieces in chinese chess2. (國際象棋棋子的一種) castle; rook
- 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...
- 率 : 率名詞(比值) rate; ratio; proportion
- 比率 : ratio; proportion; rate比率計 ratio meter
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This paper describes the components and structure of advanced signaling system : automatic train control system ( atc ), analyzes the function and classification of its three subsystems : ats, atp and ato, with emphasis on currently widely adopted atc system - quasi - moving - block signaling system, which works on coded digit track circuit, and discusses the operating principles of coded digit track circuit and the features of train control of quasi - moving - block signaling system
信號系統是確保城市軌道交通列車運行安全及提高運營效率的關鍵設備。本文詳細討論了應用於城市軌道交通的先進的信號系統? ?列車運行自動控制系統( atc )的組成和結構,對其三個子系統:列車自動監控系統ats 、列車自動保護系統atp 、列車自動運行系統ato的功能和分類進行了詳細分析和比較。Presently, the world largest scale and most influential brand meeting : 2004 international vehicle maintenance equipment exhibition attracts exhibiters from more than 100 countries and regions in the world to participate the conference in german frankfort. zonda auto group, the leader in chinese maintenance trade, introduced the new product which behalf the international advanced technology, such as paint equipment, became the spot light on the exhibition. the new product zd - 900 of zonda is a new - type of energy - conserving product, adopt international advanced technical, the heat system which the core parts of the product meet the high level demand
車輛行駛時,可利用富餘功率給電池充電,無需停車充電,也不必增加充電站該車每100公里油耗僅22 . 4升,比同等噸位的燃油汽車節油30 % ,加滿一箱油可行駛650公里尾氣排放達到了歐標準維修費用僅為燃油車的1 3該車在國家汽車質量檢測中心通過了54項強制性試驗,下線后已行駛1 . 7萬公里,表現出了良好的安全性能。Goals of highway network planning, in terms of the total length of the highway network as well as the share of expressway and over class ii highways in the network, were analyzed in chapter two by using of network connection index and analogy methodology. the developing goals of shaanxi arterial highway network were proposed. in the third chapter, the overall arrangements for highway network were studied through the importance index of nodes and links
通過與世界經濟發達國家的公路網密度和運輸結構、以及我國其它地區,特別是與陜西省相鄰省(區)的公路網發展水平相對比,根據我國經濟發展「三步走」的奮斗目標,採用連通度指標測算和類比的方法,按網連通度、公路網密度、人均公路網總里程和單位汽車保有量的公路網總里程指標分別進行測算,確定了陜西省的公路網發展目標?公路總里程、高速公路里程和二級以上公路佔有率的適當范圍。Experiments show that, when use msp430f149 audio sensor to identify vehicles that contain plane, tank, truck and so on by time domain features and two - level f - ratio, the recognition rate is 82. 1 % ; when use both msp430f149 audio sensor and arm9 sensor to identify vehicles, and the recognition rate is much better than the original system and msp430f149 audio sensor. line spectrum of power spectra and 3 / 2 spectrum is used as frequency features on arm9 sensor, and it is caught by narrow - band bandpass filter
實驗證明,在主頻為8mhz的msp430f149感知器上,採用基於時域特徵和二階f比的識別演算法,能夠實時地完成對飛機、坦克、卡車等交通工具的識別;將msp430f149感知器與基於arm9的高端感知器配合使用,且高端感知器採用功率譜線譜或3 / 2維譜線譜作為頻域識別特徵,能夠實時的對各類交通工具做更高性能的識別。Finally, in consideration of the characteristics of the differential balance mechanism, a more accurate virtual prototype of the mechanism is established and the simulation is carried out in the software environment of adams. the angular velocity curves of the relevant parts and the natural frequency of the mechanism are got. the results may be helpful to the improvement and the application of the mechanism
最後,綜合考慮了輪齒嚙合剛度、搖臂軸扭轉柔性及齒輪傳動回差對差動平衡機構的影響,建立了能夠比較完整地反映該機構動態特性的虛擬樣機模型;在adams軟體環境下,對差動平衡機構的虛擬樣機模型進行了動態模擬,得出了能反映該機構動態特性的關系曲線,並確定了其固有頻率,為該機構的改進及其在月球車上的實際應用提供了參考依據。By analyzing the running speed of two - wheels, three - wheels, four - wheels project, adopting small three - wheels project with two independent driving and veering system. based on these, we can calculate the driving power of the agv, the twists of the motor and the storage battery capacity. 4
通過對兩輪、三輪和四輪小車方案的運動速度的分析和比較,採用兩輪獨立驅動、差速轉向的三輪小車設計方案,並對小車驅動功率、電機扭矩和蓄電池容量進行了計算。The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc
在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和孔隙率之間的關系,並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔隙率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。The safety of the running train is an important subject in railway vehicle system dynamics. the condition of derailment and indices of vehicle are important parameters that are defined for safety evaluation of the running train. according to the running condition of vehicle, the paper discusses derailment safety of vehicle in four respects : the coefficient of derailment for a single wheel, the coefficient of derailment for wheel - set, the derailment condition caused by wheel load reduction, relation between the coefficient of derailment and the rate of wheel load reduction. factors affecting the indices are systematically investigated. suitable conditions of derailment of vehicle are given. the results show that h / p1 can be used to evaluate the derailment safety, inwhich h is a force acting on wheel - set in the direction of lateral and p1 is a force acting on the derailment wheel in the direction of vertical
車輛脫軌條件和評定指標是衡量車輛安全運行的重要指標.根據車輛運行狀態,從單輪脫軌條件和評定指標、輪對脫軌條件和評定指標、由輪重減載引起脫軌的條件、脫軌系數與輪壓減少率的關系等4個方面對車輛的脫軌安全度進行了探討,分析了影響車輛脫軌的因素,並指出車輛脫軌評定條件的適用情況.結果表明,採用作用於輪對的側向力h與作用於脫軌側車輪的垂直力p1之比檢算車輛的脫軌安全度較為合理Bipolar battery has the following advantages : compact structure, high energy density and high power density. it can better meet the requirement of hybrid electric vehicles. in this thesis, we focus on the problems that appear during battery design and manufacture
雙極性mh / ni電池是一種具有疊層結構的新型電池,這種電池內部沒有專用連接體,具有結構緊湊、比能量高、比功率高等優點,因而更適合於混合動力車的使用。The experiments for operating vehicles demonstrate that the degree of accuracy and reliability of integrated navigation and positioning system, compared with gps / dr navigation and positioning system, is enhanced, vehicular operation efficiency and security are far and away strengthened and the thoroughfare capacity is improved. as consequence, traffic congestion can be moderated with effect and the automation of transportation management and the intelligence of the vehicular drive will be realized
汽車試驗表明:採用地圖匹配的方法來校正gps / dr的定位誤差,其定位精度及可靠性比gps / dr定位有所提高,車輛運行效率和安全性也大大改善,提高了通行能力,有效地緩解了交通擁擠狀況;從而為實現交通管理「自動化」以及車輛行駛「智能化」提供了技術支持。And another brake material formula also can be achieved in which the carbon fiber was replaced by the wood fiber based on the researching of the effect of fibre, resin and filler in multi - fibres hybrid composite test result shows that the formula material have a relatively suitable friction coefficient ( ranging around 0. 35 ), good fade resistance and recovery as well as low wear ratio. by comparing the formula material with the product of national and abroad sold in the market, its low cost and excellent properties make a bright prospect
在研究各種纖維、樹脂和填料對混雜纖維復合摩擦材料摩擦學性能影響的基礎上,本文研製開發出分別適用於中重型車與中小型車用的剎車摩擦材料的最佳配方和一種含木纖維的多種纖維混雜復合摩擦材料的最佳配方。將所選配方的剎車材料與市售的國內外品牌剎車片進行對比,結果表明本課題所開發研製的摩擦材料的摩擦系數都在0 . 35左右,具有很好的摩擦系數穩定性和抗熱衰退性,磨損率也較小,綜合考慮到配方試樣原料成本較低,在性價比上具有一定的優勢。The rate of electronic content in vehicles is growing at approximately 9 percent annually
汽車上電子相關產品的使用比率正以平均每年約9 %的速度遞增。Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著,建立了和研究了二維二速的主幹道模型,該模型模擬了城市交通中一條主幹道,多條支道的交通情況,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中可以有對突發事件發生反應的剎車,在發生堵塞時,路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生,給出了車輛演化的演化方程,並通過計算機模擬,研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。最後,在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下,將此法推廣到對二維bml模型的模擬上,得到了與用以往方法的研究結果相類似的速度-密度圖線,且車輛從運動相到堵塞相轉變的上下臨界密度是一致的,同時分別給出車輛在處于暢通相和堵塞相時, boltzmann函數在格子上的分佈情況,進一步驗證了此法的可行性。Wherever possible, retread tyres are used on the departmental vehicle fleet and plans are in hand to increase the ratio on brand - new tyres to retread tyres to 1 : 0. 5 in the future
此外,本署的車輛盡量使用翻新輪胎,並計劃日後把使用新輪胎與翻新輪胎的比率增加至1 : 0 . 5 。For series hev the paper gives a control strategy aiming at achieving the lowest fuel consumption. for parallel hev, gives a method to find the hybridization rate which is not dependent of any driving cycles. for combined hev, the paper gives an efficiency loss minimization strategy, the sole criterion is the efficiency loss at the current operating point, thus economic fuel consumption could be guaranteed for a wide v ariety of driving tasks and this strategy could apply into any kinds of hev
對串聯驅動方式,提出了以燃油消耗最小為目標的控制策略;針對並聯能源混合的問題,提出了一種不依賴于任何驅動行駛循環的能源混合比例方法;針對混聯驅動方式,提出了一種整車功率損失最小控制策略,該策略的唯一準則是在當前工作點下總功率的損失最小,因此在較廣的驅動行駛范圍內其燃油經濟性內都是可以被保障的,且該策略可以運用到任何形式的混合動力車輛上。The paper discussed a method combining integer programming based on similarity coefficient with quadratic programming considering ratio of capacity to loading in workshop to obtain parts families and machines groups in two steps
摘要採用了基於相似系數的整數規劃和考慮車間資源負荷分配比率的二次規劃相結合的方法,分兩步得到了零件族和設備組。Based on those above all, i analyse in detail the tickets of the scenic spots, the prices of the hotels, the travel services and the tourism buses in zhangjiajie city " s tourism market by using the methods of average, ratio and real number ; and respectively compare them with their comparative objects
在此基礎上,採用均數分析法、比率分析法和實數分析法對張家界旅遊市場的景區門票、酒店、旅行社和旅遊車隊價格進行了詳細的數據分析,並分別與參照對象進行比較。Experimental results show that after reducing the dependency of features, sa method works better. the most three important features of the license plate regions are obtained in the experiment and our algorithm is robust in filtering out false plate regions. in the module of binarization of license plate, based on algorithm of casda ( cluster algorithm based on spatial distribution analysis ) an improved quick binarization algorithm i - casda are proposed to get rid of the influence of the illumination
運用本演算法對復雜背景的車輛牌照進行檢測,實驗結果表明,基於簡單平均融合運算元的檢測演算法得到的檢測率高, 80 . 36 (訓練樣本)和76 . 54 (測試樣本) ,平均檢測速度為每幅圖象0 . 81秒,滿足實時性要求;區域寬高比、區域密度和區域寬度比率是車牌區域最重要的三個特徵;本演算法魯棒性好,可較好地排除相似紋理區域(如廣告牌等)的干擾。The section is responsible for the provision of management consultancy studies and statistical surveys. the management services unit completed five major reviews during the year on staffing of the supplies section, transport support for the district cleansing section, manual gully cleansing, manpower for the district cleansing section of central district, and the relief ratio for refuse collection vehicles
年內,管理參議小組完成五項主要研究,研究內容包括物料供應組的人手編制分區潔凈組的運輸支援人手清渠工作中區環境?生辦事處潔凈組的人手檢討,以及垃圾收集車的備用數目比率。On the basis of comparing the several kinds of commonly battery used in electric vehicles, the characteristics of mh - ni battery and the estimation method of the state - of - charge ( soc ) of it is analysis especially in the article
在比較了幾種電動車常用的蓄電池的基礎上,文中重點分析了混合動力用高比功率鎳氫電池的一些特性,並介紹了一種用於高比功率鎳氫電池的剩餘容量( soc )的估計方法。分享友人