尾面面積 的英文怎麼說

中文拼音 [wěimiànmiàn]
尾面面積 英文
area of tail plane
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • 面積 : [數學] area
  1. The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera

    本文對某卷弧翼彈氣動特性進行了系統研究,主要內容與結論為: 1 .將卷弧翼按照相同投影的平板翼進行工程估算,得到升力系數、阻力系數、俯仰力矩系數、俯仰阻尼導數、滾轉阻尼導數曲線。
  2. The calculated result from an example shows that the stable sectional area reduces with the increase of working head, or the decrease of the tailrace tunnel length

    計算結果表明,水調壓室斷隨水輪機工作水頭的增大或水洞長度的縮短而減小。
  3. The impacts of both the velocity head and momentum distribution in the t - junction of a tailrace surge tank on the critical stable sectional area of the tank were analyzed by using gardel ' s empirical equations for t - junction flow. based on thoma ' s theory, a formula of the critical stable sectional area is derived. 5

    基於gardel關於三通管水頭損失的經驗公式,研究分析了連接管處的速度水頭以及進出調壓室水體與水隧洞水體之間的動量交換,對有連接管的水調壓室穩定斷的影響,並在托馬( thoma )假定基礎上,推導出相應的調壓室穩定斷的計算公式; 5
  4. Research on mixed pesticide of j - dscpv and bt against dendrolimus punctatus

    生物制劑大防治馬松毛蟲的研究
  5. Apply of markov chains to predict occurrence area of dendrolimus punctatus

    運用馬爾可夫鏈預測馬松毛蟲發生
  6. Forecasting insect appearance areas of dendrolimus punctatus walker by applying artificial neural network

    應用人工神經網路預測馬松毛蟲的有蟲
  7. 24 - hour room service, airport transfer, baby - sitting child care, butler services in suites, cable satellite television, car rental services, clinic, complimentary airport shuttle transfer, complimentary shoe shine service, conference facilities, coffee tea making facilities, drugstore minimart, express check - in and check - out, facilities for the handicapped, hair beauty salon, hospitality lounge, idd, in - room internet access, laundry valet services, non - smoking rooms, parking facilities, postal parcel services, safe deposit box, shopping arcade, taxi limousine services, voice mail

    大宴會廳是青島乃至山東省最大的會議場所,有三層可隨時移動的隔斷,可根據顧客的需要,決定使用,大宴會廳還有一個400多平方米的預備廳,可作簽到準備休息乃至雞酒會之用。所有會議室及宴會廳均設有先進備的影音裝置,包括多功能會議音響系統投影幻燈系統多制式錄像機舞臺燈光系統活動舞臺時裝表演臺及舞池文字處理設施文件復印設備演講臺活動支架,特別提供同聲翻譯及聲像投影系統。
  8. Easy freight counts as it s third advantage : remote controllable airboat is made up by several parts gasbag, suspending house and tails, it has a small volume when no flying, can be freighted by a small car, a middle shift can carry evething including operaters and gas bottle, to implement a multi - days, multi - places flying

    運輸簡便是它的第三大優點遙控飛艇是由多個部件拼裝在一起的分為氣囊吊倉和翼三大部分,不飛的時候體很小,一輛夏利或小的就可拉走,一輛中巴可連人員帶氣瓶帶飛艇全部拉走,進行多日多地點的行動飛行。
  9. Hebei province ascends the long neck hair tail production factory, while the reform and open policy spring breeze, the company scale unceasingly expands, the total area 5, 000 square meters, the existing staff more than 100 people, the company strength unceasingly strengthens, becomes a star which stores the livestock product profession, becomes by the foreign trade exportation primarily extroversion enterprise

    河北省安平縣騰達鬃製品廠,乘改革開放的春風,公司規模不斷壯大,總佔地5000平方米,現有員工100多人,公司實力不斷增強,成為畜產品行業的一顆明星,成為一家以外貿出口為主的外向型企業。
  10. Shanwei city has rich natural resources. in the districts under its jurisdiction, there are 17 species of 6 kinds of minerals, of which tin, granite, kaolin, pyrite, glass sand and mineral water are of high quality and quantity, worth exploration and use

    市有礦產資源6類17種,其中錫礦、硫鐵礦、花崗巖、石英沙、高嶺土及礦泉水等量多質優,具有良好的開發利用價值;沿海可供海水養殖的淺海灘塗3
  11. The bird is normally 46 - 59 cm in length, but the overall size and body proportions vary regionally. generally, all forms have dark greyish plumage from the back of the head, neck, shoulders and lower body. their wings, tail, face and throat are glossy black

    這種鴉通常身長四十六至五十九厘米,實際體和身體比例隨不同地區而各異,但羽毛均為灰黑色,翼、頰和喉部尤其漆亮。
  12. Honeycomb ceramic has high surface and lighter weight. it is good at the heat insulation, so it is suitable for various kinds of catalyst carriers. it is widely used for automotive emissions control, stationary emissions control, chemical processing and refining industries

    蜂窩陶瓷材料具有比表大、隔熱性較好及重量較輕的特點,因此它適用於各種用途的催化劑載體,現已被廣泛應用於汽車氣凈化、固定氣體排放的凈化、化學工藝、精練工業等方
  13. Panoramic mosaics method based on 8 - paramter planar homography usually has to overcome the accumulated errors, when a sequence images loops back on itself

    基於8參數平單應矩陣的全景拼圖方法,當圖象序列形成迴路的時候,必須要克服累誤差,以保證全景圖首相接。
  14. Home for the " king of lu xun ' s former residence of the old display, " and this is a compact small courtyard, and the north and south of the three, all the things one, we have maintained that mr. living at the appearance of the south is the reception room, north house room two things were juan lu xun ' s wife and the mother of the living room, the middle one for the restaurant, which houses a north protruding north of a small area of only 8 square meters, is the president ' s bedroom and study, that is, the famous " tiger tail, " mr. claiming " gururin book store, " very simple furnishings

    故居內為「魯迅故居舊景陳列」 ,這是一座精巧的小四合院,南北房各三間,東西房各一間,一直保持著當年先生居住時的模樣,南房是會客室,北屋東西兩房間分別為魯迅的母親和朱安夫人的住室,中間一間為餐廳,北屋當中一間向北凸出一小間,僅8平方米,是先生的臥室兼書房,即著名的「老虎巴」 ,先生自稱「綠林書屋」 ,陳設十分簡樸。
  15. In the analysis process, the six main peaks in 88 - 100 kev region, including the y peaks of 234th, the k peaks of th and the k peaks of u, are chosen. the smoothly joined gaussian function and low energy exponential tail is taken as peak shape function and quadratic polynomial is taken as background function. the two functions are fitted to gether to calculate the peak area

    在分析過程中,選擇了88 - 100kev能區的~ ( 234 ) th的射線峰, th的k _射線峰以及u的k _射線峰共六個主要能峰,通過採用高斯函數和低能指數部光滑聯接的峰形函數和二次多項式本底函數一起擬合,來求出峰;而該能區所有能峰的探測效率可以認為是近似相等的,由此得到鈾富集度。
  16. To meet the needs for wider surge margin of the turbofan engine, a new model was developed to predict the characteristics of the fan / high pressure compressor and turbine in this thesis. several ways, including, variable inlet guide vanes of the fan, variable guide vanes of the high pressure compressor, the variable inlet area ratio of the mixer and the nozzle areas, were presented to enlarge the surge margin of the turbofan engine. meanwhile, a method of combined variable geometries for optimizing controls of inlet guide vanes of the fan, guide vanes and the first two stators of high pressure compressor, area ratio of mixer and noz zle areas was established

    為了滿足下一代作戰飛機對推進系統的性能和穩定性要求,本文建立了壓縮系統特性和渦輪特性的新模型,並分別採用改變渦扇發動機風扇進口導流葉片、壓氣機導流葉片和前兩級靜葉片、混合室進口處內、外涵比和噴管,研究了其對發動機性能和穩定性的影響,進而得出了渦扇發動機變幾何擴穩的方法,為發動機變幾何擴穩研究打下理論基礎。
  17. The geologic condition of side slope is complex. it is composed of soil and intense weathering rock on the surface and slightly weathering rock under the surface. further more, it has many faults, fissuring and weak intercalations

    其水電站水渠高邊坡所處區域地質條件復雜,邊坡表由幾米至十幾米厚的坡土和強風化破碎巖石組成,下部是弱風化和微風化巖石組成,且斷層、節理和軟弱夾層分佈廣泛。
  18. The beginning and the end of each significant depositional pattern is directly related to changes in position of sea level with respect to river deltas.

    每一種有意義的沉形式的開始和結,都與對應于河流三角洲的海平位置的變化有直接的關系。
  19. The new optimizing design of the off - end ensures easy setting for spinning processes and easy maintenance, saving more space

    優化設計,方便工藝調整及維修保養,減少佔地
  20. The infested area and spatial variation regularity of dendrolimus punctatus population density at all the survey spots in xianju county were studied with forecast kriging based on the data of survey for dendrolimus punctatus between september 1983 and september 1989 and the spatial forecast model of the infested area and population density of the pest was established

    摘要根據1983年9月至1989年9月馬松毛蟲的蟲情調查資料,用預測克立格方法研究全縣各調查點的馬松毛蟲有蟲、蟲口密度的時空變化規律,建立馬松毛蟲有蟲、蟲口密度的空間預報模型。
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