等速下落 的英文怎麼說

中文拼音 [děngxià]
等速下落 英文
equal falling
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : 落名詞[方言] (北方對蓮花落的俗稱) a kind of folk song
  1. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設計的系統完成了差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述,總結出邊界層厚度與設定風、實驗段深度的關系,然後給出模型中心區一定風校正數值。
  2. The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest

    主要研究以內容: ( 1 )片斷和連續常綠闊葉林的外貌、結構和物種組成特徵; ( 2 )片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性; ( 3 )片斷和連續常綠闊葉林的科( ? )屬水平的植物區系成分; ( 4 )片斷和連續常綠闊葉林生活型組成; ( 5 )在不同的水平梯度格局上(林外、林緣和林內) ,片斷和連續常綠闊葉林的小氣候要素(光照、溫度、風、濕度) ; ( 6 )片斷和連續常綠闊葉林的環境和土壤因子,與群的物種多樣性之間的關系。實驗結果表明: ( 1 )各片斷森林的外貌特點基本上和連續森林一致。
  3. Mouse operation, seizing the big gray wolves, xu li left click to the appropriate degree loosened the left mouse button is still out big gray wolves., and other big gray wolves come to the moment the left mouse button by waving the big stick hit, in his flight by the left mouse button can also be used rocket accelerator, of course, you must find enough gasoline

    鼠標操作,抓住大灰狼,按鼠標左鍵蓄力,到適當力度松開鼠標左鍵仍出大灰狼,大灰狼的一瞬間按鼠標左鍵揮舞大棒擊打,在飛行途中按鼠標左鍵還可以使用火箭加器,當然你要有足夠的汽油才行。
  4. The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation

    本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被群的組成、多樣性、生活型、群生長動態、垂直結構特徵、水平結構特徵、群結構與周圍環境(土壤含水量、溫度)相互關系及其與植物自身生理生態適應特徵關系多個角度研究了人工植被群的結構及其動態變化,取得了如研究結果: 1 、植被群組成、多樣性及生活型:沙坡頭地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉率最大,即群結構變化最大。
  5. Collapses in mengshan area are caused by the weightless rock mass falling down rapidly due to the interaction of gravity and weathering factor of freeze - and - thaw action and raining action in the locate of the developing joints

    崩塌是在陡崖或坡度陡峻的斜坡地帶因巖體節理裂隙發育,受凍融、雨水風化作用和重力作用,造成巖體失穩快的現象。
  6. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運化與私人機動化的浪潮沖擊,但隨著都會地區機動車輛不斷增加,道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計,搭配先進控制系統及彈性的路權型式,使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上車,提供沿線居民高度的便利性,消除交通堵塞噪音及空氣污染,輕軌系統並與街景充分的調和,成為活動的都市意象。
  7. Civil air defense alarm system was a system to dispense antiaircraft alarm sig - nal, hand hostile air attack informational communication to urbanite at wartime. it is a particular informational communication system of the civil air defense depart - ment, and can not be taken place. at the development trend of digitaliza - tion, unitization, integration of civil air defense communication, the civil air defense alarm system is developing too, for adaptation to the require of both future war and peaceful dual, and enhancing civil air defense communication system ' s directing automation. in recent years, development of different kinds of communication technology infuses new clearly energy into communication, especially spread spectrum communication, because of its strongly interference - free feature, invisibility best, realizable code division multiple access and antimultipath wane and so on merit, gets extensive use at wireless region ; the corresponding spread spectrum chips emerge as the times and get boom, which provides advantag e to realization of the circuit of spread spectrum communication. at the same time, in company with the advance of electronics level, the single chip microcomputer has a great development, world renowned chip manufacturer pushout respective products one after another, the kinds of which are too many to statiste

    在人防通信的數字化、一體化、綜合化必然的發展趨勢,人防警報系統也不斷發展,以適應未來戰爭和和平時期的雙重需要,提高人防通信系統指揮自動化。近年來,各種通信技術的發展給通信注入了活力,擴頻通信更因其抗干擾能力強、隱蔽性好、可實現碼分多址和抗多徑衰優點在無線領域得到了廣泛應用;其相應擴頻處理晶元應運而生並得到迅發展,這為擴頻通信的電路實現提供便利。同時隨著微電子工藝水平的提高,單片微型計算機有了飛躍發展,世界上著名的集成電路晶元製造商紛紛推出各自的產品,單片機型號之多,已達到難以統計的地步。
  8. It is forecast that chinese economy will keep its growing tends in 2006, but it will be affected by favorable balance of international trade, overproduction and farmers ' low income, therefore its growth speed will slow down from 9 % and the general price level will go down either

    預計2006年,中國經濟在保持增長趨勢的前提,將受到貿易順差、產能過剩、農民增收難度加大不利因素的影響,經濟增長度將會從9 %以上的高位上滑來,價格總水平也將降低。
  9. The disfigurements of the traditional electric power supervisory system are concentrically embodied in the imperfect law and regulation system ; shortcomings on the off side, or vacant, or misplaced function of the electric power and the unadvanced way of supervision badly restrict the rapid development of electric power industry, which causes production and management of the electric power enterprise be in low efficiency and the loss of consumers ’ welfare.

    原有電力監管制度的缺陷依然存在,集中表現在法規體系不健全、電力監管職能越位、缺位、錯位以及監管方式方面,嚴重製約著電力產業的快發展,造成電力企業生產經營效率低以及消費者福利的損失,這也構成了我國當前電力產業監管制度改革的內在動因。
  10. But many obvious problems emerged in the developing process of our automotive industry such as low speed, disperse layout, the chaos of production, low quality and lagging technique, so it is impossible of our automotive enterprises to take part in the cruel international competition

    但是,在我國汽車工業的發展過程中,一直存在著度緩慢、布局分散、生產混亂、質量低、技術突出問題,根本無法參與激烈的國際競爭。
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