重量動力比 的英文怎麼說

中文拼音 [zhòngliángdòng]
重量動力比 英文
weight power ratio
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 重量 : weight; scale; heft
  1. Aerodynamic balances are simpler and lighter than mass balances or power boost.

    補償補償或助器簡單而且輕便。
  2. Abstract : the qiantang estuary with violent hydrodynamic conditions is well known for its tidal bore. the regulation of the estuary in the past, especially the progress since the founding of new china are reviewed. the principles of the regulation and planning of the qiantang estuary formulated in 1960s are expounded, i. e., to narrow the river to reduce the tidal prism, and to increase the ratio of the river flow to tidal discharge. the experience of estuary regulation / reclamation is summarized, especially the engineering measures to protect the groin head and to use polder dykes as sea defense works. finally, the effect is analyzed of the large - scale constraction / reclamation in the estuary on the tides, flooding high water level, estuary bed and the northern deep waterway in the hangzhou bay

    文摘:以涌潮聞名的錢塘江河口,強勁,破壞極大.回顧錢塘江河口歷代治理情況,點記述1949年以來治理工作的進展,論述60年代提出的錢塘江河口治理規劃的指導思想,即縮窄江道,減少進潮,增大山潮水值的整治原則.總結整治規劃實施過程中治江圍塗經驗,特別是「以圍代壩」和丁壩壩頭保護等工程措施.分析錢塘江河口大規模治江圍塗后對錢塘江河口潮汐、洪水位、河床以及杭州灣北岸深槽的影響
  3. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    較靜風荷載和風荷載作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對它們在兩種方法計算下的最大位移的計算結果。經過較可以看出輕、頻率低、阻尼小的柔性建築物對風荷載的橫向振是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振系數等相應方法來加以體現。
  4. The specific mass distribution also allows the edge to deliver deep cut into the bone even with just a wrist - powered " point " attack, not to mention the less often executed but extremely powerful full arm cutting motion

    而且這種分佈,讓只以手腕發的點也能擊進骨頭里去,更別說是較罕見但威驚人的全斬擊,絕對能夠一劍移除對方一條肢體。
  5. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來沙、邊界條件和海洋條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積例變化基本呈波狀態,且三角洲與濱海區泥沙的沉積例與來沙密切相關,基本成正關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤; 、 5 )本項研究首次論證了河口三角洲岸線態平衡的概念,並建立了黃河河口來沙與造陸面積的相關關系,得出了當河口多年平均來沙維持在3 . 45億t時其河口三角洲岸線則可能處于態平衡狀態的要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  6. Forehand attack is a non - habitual action in table tennis playing. it is the most important skill of quick attack players and the key of table tennis teaching to the students majoring in higher physical education. to have a good command of forehand attack in very short time is an important subject in table tennis teaching and coaching. compared with different results of teaching and coaching experiments, it is proved that the alternate teaching and coaching method combined with external factors in practice can help the students form the dynamic finalization, that the teaching and coaching method is very effective and can be used in table tennis theoretical teaching and practical coaching

    正手攻球是快攻運員最要的技術,是高校體育專業學生乒乓球教學的點,是一個非習慣性作,要在較短的時間內高質地掌握正手攻球,是乒乓球教學中的要課題.從實驗對入手,深入研究並確定以交叉教學法並配合練習中施加外部因素的方法,使學生形成穩固的正手攻球定型,能明顯提高教學效果,具有較好的實用性
  7. 2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3

    學分析:建立雅可矩陣將關節空間的各關節的微分運傳遞到笛卡爾空間,使末端執行器位姿產生微分運,以用於求加速度及在不同坐標系間的線性變換,再用拉格朗日法計算兩機械手的有效慣、偶合慣載荷,從而計算得到各關節的廣義關節矩,並與等效驅矩共同算得各關節的驅矩。
  8. The harmonic gear drive has many virtues such as high transmission ration, small weight, good transmission precision, etc, so this drive is adopted in robot widely

    諧波齒輪傳裝置具有傳大、輕、精度高、回差小、承載能大、噪聲低等特點,因此在工業機器人中得到廣泛應用。
  9. The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination

    慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明,建群種早期和晚期的種子雨無活;種子偏早或偏晚成熟及大籽粒的樹種,其種子雨被取食的例大;種子雨、有活種子雨、種子庫三者的數變化不一致;有活種子雨較大的栲、石櫟、小葉青岡、扁刺栲、香桂等,其種子庫密度在早期以近幾何級數的方式增長,元江栲、銀木荷種子庫小,存在時間短,翌年無一年生萌發苗;種子庫數態、消減率態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性
  10. Its unique entirely - solid state, simple configuration, wide dynamic range, short starting time, high antibounce ability, low - cost, small - cubage, light - weight, low - power waste make it not only compatible for the civil industry field but more for martial application. for the advantage as above, the optic gyro is very potential to the strap - down inertia navigation system

    它代表了慣性儀表與元件發展的一個新方向,與傳統的機械陀螺相其獨有光學陀螺儀的全固態、結構簡單、態范圍寬、起時間短、剛沖擊能強、成本低、體積小、輕、功耗低,使其不僅適合於民用工業領域,而且更適合於車輛、各種軍事上的應用。
  11. The main issues of the research are put as following : firstly, with the international comparing of market sharing rate and trading competitive index, it was revealed that wheat in china has inferior international competitiveness with a bit rising during current years, however, which is still behind that of the main wheat export countries. secondly, after the international comparing of the main factors that affect the international competitiveness of wheat, it was discovered that chinese wheat has the obvious cost advantage on unit product, while because of the high circulation fee, it results in inferior advantage on the price ; low and unstable quality is another factor which leads to inferior wheat competitiveness ; the input of fertilizer and labor makes little impact on the productivity of chinese wheat, while the input of seeds, irrigation and machine makes a strong impact, so it should be more invested in seeds, irrigation and machine to reduce wheat ' s unit cost. the assistant industries of the wheat, such as breed, production materials and processing industries, have inferior international competitiveness and lagged development

    其次,通過對影響小麥國際競爭的主要因素的國際較發現:中國小麥單位產品生產成本具有明顯優勢,但由於較高的流通費用,導致在價格上不具有優勢;小麥質較差、品質不穩定是導致中國小麥國際競爭較低的主要因素;生產要素中化肥和勞投入對中國小麥生產水平的影響程度較小,而種子、灌溉和機械投入對小麥生產水平的的影響程度較大,因此小麥生產投入要以增加種子、灌溉和機械的投入為主,代替大的化肥和勞投入,進一步降低小麥單位產品成本,增強中國小麥國際競爭;中國小麥的上下游輔助產業(包括品種資源、生產資料和加工業)的國際競爭較弱,發展較為滯后;中國小麥生產者的組織化程度較低嚴製約了中國小麥質的提高、流通費用的降低和加工業的發展;小麥生產經營活本身的特點決定了在充分發揮市場機製作用的基礎上,必須通過政府的宏觀調控來克服其市場機制的失靈,保障市場機制有效運行,但通過國際較研究發現:中國政府在生產者支持、市場體系建設和國際貿易政策上對小麥的支持水平較低,與提高中國小麥國際競爭的要求有較大差距,尤其是較低的生產者支持水平和市場體系建設程度制約了中國小麥國際競爭的提高。
  12. The solid - propullant ducted rocket, which combines the advantages of solid propullant rocket and ramjet propulsion, is a new kind of combined propulsion system. it offers considerable advantages for missile propulsion, such as high specific impulse, high speed, light weight, long range, high maneuver and simple structure. as the major direction of the propulsion system for supersonic missile, the ducted rocket has good prospects

    它將固體火箭技術和沖壓技術有機結合在一起,具有沖高、速度快、輕、射程遠、機性能好和結構簡單等諸多優點,最大限度地滿足了新一代導彈對其裝置提出的要求,是超聲速導彈裝置的一個主要發展方向,有著廣闊的研究前景。
  13. The whole thesis was made up of seven parts. the first part provided the background, significance and aims of this research ; the second part briefly reviewed the progress and the trend of the researches about the relative fields at home and abroad, then concluded that the present researches were mainly focusing on mineral cities and the qualitative description of mineral economics, which lack in quantitative analysis and utilized models ; the third part defined mineral region according to two indexes, and discussed the theoretical basis of the economic sustainable development of mineral region ; the fourth part systematically analyzed the current situation of the economic sustainable development of huangling county, emphatically discussed the coincidental relationship between mineral exploitation and economic development as well as the reasons for the recession of mineral economic ; the fifth part, drawing on the experience of transforming industry and renewing economic in mineral cities ( region ) at home and abroad, put forth the foundation train of thought of the economic sustainable development huangling county, and programs and smocks the economic development of huangling county using the method of systematic dynamics, presented the model of the economic sustainable development of counties by comparative analysis of three plans ; the sixth part provided some policed suggestion and measure for the economic susta inable development of huangling county

    全文分為七個部分:第一部分:提出研究的背景、意義與目的;第二部分:簡要回顧了國內外相關領域的研究進展與趨勢,指出當前研究主要集中在礦業城市與礦業經濟的定性描述,缺少定分析和應用模型;第三部分:依據兩組指標界定礦業區域,探討礦業區域經濟可持續發展的理論基礎;第四部分:對黃陵縣域經濟可持續發展現狀進行系統分析,點探討了礦產資源開發與經濟發展的耦合關系及其礦業經濟衰退的原因;第五部分:在借鑒國內外礦業城市(地區)產業轉型與經濟新生經驗的基礎上,探討了黃陵縣域經濟可持續發展的基本思路,並運用系統學方法對黃陵縣域經濟發展進行規劃與模擬,通過三種方案的對分析,提出縣域經濟可持續發展模式;第六部分:黃陵縣域經濟可持續發展的政策建議與措施;第七部分:主要結論及進一步研究的問題。
  14. The major driving factors for farmland change in yulin region are total population, the average farmer income and the proportion of agricultural labors, and there is a negative correlation between farmland area and the factors including total population, total crop production, total rural social production value and total social input

    典型區(榆林地區)耕地變化主要驅是總人口、農民人均年收入和農業人口,而總人口、糧食總產、農村社會總產值和社會總投入與耕地面積呈負相關。
  15. The overhaul of power units are arranged in terms of peaking capacity balance and the power loads are dispatched based on the principle of equal incremental coal consumption rate in the new method, which is anticipated to solve the economic operation of the power system

    實際上,抽水蓄能電站的容效益與電網的負荷水平、負荷曲線形狀和常規水電的有關,而節煤效益除與負荷水平、負荷曲線形狀有關外,還與電網的電源結構、火電機組的特性有關。
  16. This thesis also attempts to phase the restructuring endeavor into 4 stages, one in which the supply - demand balance should be adjusted through quality promotion, one when the competitive edge should be sharpened by realizing the comparative advantages though crop zone development, the agribusiness promotion stage focusing on the vertical integration of the production, processing and marketing and the coordinated rural - urban growth period characterized by the rise of the urbanization level, the free move of surplus labors, and the booming of the service industry in rural areas

    並對農業結構調整的主要階段進行了劃分:即以提高農產品質點,調整供求關系階段:以優化區域布局為點,充分發揮較優勢,提高農業競爭階段;以發展農產品加工業,形成產加銷一體化為點,促進農業產業升級階段;以農村城鎮化和農村第三產業快速發展為依託,加快轉移農村勞,促進城鄉經濟協調發展階段。
  17. On the basic of a great of literature reading and research on safety of side impact of the car, according to requirement of ece r95, applied madymo6. 2. 1 software, established simulation model of side impact of the car, researched the relationship between side rigidity of the car and passenger injury in side impact, which showed that during first impact the bigger side rigidity was, the more advantaged protection for the car and passenger in a definite range, and which drew a conclusion that the most serious part of passenger injury was pelvis during first impact. then detailed the substructure model by defining bodies, joints, contact types and contact characteristic, researched some improvement approach for side safety of the car, and then analyses a particular case, that was to say to fix vehicle door bar fender on between inner and outer plate of the vehicle door, analyzed the influence of passenger injury when the bar fender was fixed on different position, the result showed that the passenger injury was less when the bar fender was fixed on the height of vehicle door decorate bar. finally, a set of tests were performed, contrasting the simulation result with the test, analyzed the influence of the side rigidity of the car to passenger injury, which showed the test

    本文在對汽車的側面碰撞安全性進行大文獻閱讀和研究的基礎上,按照歐洲ecer95側面碰撞乘員保護法規的要求,應用多剛體學軟體madymo6 . 2 . 1 ,建立了汽車的側面碰撞模擬模型,研究了汽車的側面剛性對乘員損傷的影響,結果表明在「一次碰撞」中,在一定范圍內汽車側面剛性越大,越有利於汽車和乘員的保護,同時得出結論,即在「一次碰撞」過程中人體損傷最嚴的部位是骨盆;然後通過定義各剛體、鉸鏈、接觸類型以及接觸特性,對該模型進行子結構細化工作,研究了加強汽車側面安全性的若干改進措施,並進行了一個特例分析,即在此模型的車門內外板之間安裝了車門防撞桿,分析了當車門防撞桿安裝在不同位置時對乘員損傷的影響,結果表明防撞桿位於車門裝飾條的高度時,對乘員的損傷較小;最後進行了一組側面碰撞試驗,通過試驗和模擬結果的對,分析汽車的側面剛性對乘員損傷的影響,表明試驗和模擬結果是一致的,從而證明了模擬模型的有效性以及模擬結果的正確性。
  18. In addition, instead of portal brake of j93 - 1000b model, the brake device of j93 - 1000c changes into rushing board brake, thus the dependability of braking is consumedly advanced, being convenient to adjust, and the rigidity strengthening of plate design reduces the vibration noises during the working of press. with cast steel as the material of slide, slide weight of j93 - 1000c model is increased 1 thousand kgs than j93 - 1000b model with nodular cast iron as material. plus that the width from front and back of frame upright post of j93 - 1000b model is 750mm, while its 1000mm for j53 - 1000c model, increasing 250mm than the former

    J93 - 1000c螺桿螺母螺旋副使用壽命及螺桿的剛度也增加剎車裝置由原j93 - 1000b型門剎車改為j93 - 1000c推板式剎車,制可靠性大大提高,而且便於調整,平臺設計剛度增強降低了壓機工作中的振噪聲j93 - 1000c型滑塊支背材質鑄鋼j93 - 1000b型的為球墨鑄鐵而且j93 - 1000c型滑塊j93 - 1000b型增加1000公斤, j93 - 1000c型機架立柱前後寬1000毫米j93 - 1000b型機架立柱前後寬750毫米增加250毫米, j93 - 1000c機身46 . 8噸, j93 - 1000b整體機身38 . 5噸。
  19. In addition, instead of portal brake of j53 - 1000b model, the brake device of j53 - 1000c altered into rushing board brake, thus the dependability of braking is consumedly advanced, being convenient to adjust, and the rigidity strengthening of plate design reduces the vibration noise during the working of press. with cast steel as material of slide, slide weight of j53 - 1000c model is increased 1 thousand kgs than j53 - 1000b model with nodular cast iron as material. plus that the width from front and back of frame upright post of j53 - 1000b model is 750mm, while its 1000mm for j53 - 1000c model, increasing 250mm than the former

    J53 - 1000c螺桿螺母螺旋副使用壽命及螺桿的剛度也增加剎車裝置由原j53 - 1000b型門剎車改為j53 - 1000c推板式剎車,制可靠性大大提高,而且便於調整,平臺設計剛度增強降低了壓機工作中的振噪聲j53 - 1000c型滑塊支背材質鑄鋼j53 - 1000b型的為球墨鑄鐵而且j53 - 1000c型滑塊j53 - 1000b型增加1000公斤, j53 - 1000c型機架立柱前後寬1000毫米j53 - 1000b型機架立柱前後寬750毫米增加250毫米, j53 - 1000c機身46 . 8噸, j53 - 1000b整體機身38 . 5噸。
  20. So the only way for agricultural development is structural adjustment. under the theory of structure economy growing, the theory duality economy structure and the law of the industry structure evolution mainly, this paper, firstly, analyzes the characteristics of evolution and current situation of hubei province ' s agricultural industry structure including the evolving better, singleness, facing crisis, by stage, lack of power, crop ' s development setting back the evolution, asymmetry - structure between the production value and output, the similar structure with the whole nation and the peripheral provinces, and so on

    本研究在結構主義經濟增長理論、產業結構演進規律和二元經濟結構論等經濟學理論的基礎上,首先通過產值結構對、產業結構變度、產業結構波度、產業結構相似度和偏離系數等指標和方法,從多方面分析了改革開放以來湖北省農業產業結構演進與現狀特徵:農業產業結構逐步優化,但結構單一,面臨危機;農業產業結構呈階段性演進;農業產業結構演進缺乏;種植業成為湖北省農業產業結構優化障礙;農業產值與產結構不對稱,出現逆向變化;農業產業結構與周邊省份趨同等。
分享友人