等速下降 的英文怎麼說

中文拼音 [děngxiàjiàng]
等速下降 英文
uniform descent
  • : 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)
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  1. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高和準確的相關運算,實現單針絎縫視覺測量和自動控制。
  2. With development and maturation of citrus fruit, chlorophyll content of citrus fruit peel decreased, being acompanied by a gradual decrease in a - carotene and p - carotene which are known to be in the upstream of carotenoid biosynthesis pathway. the decrease continued up to complete vanishment of the carotenes. on the other hand, p - cryptoxanthin, p - citraurin and zeaxanthin that are in the downstream of carotenoid biosynthesis pathway increased steadily and became the principal carotenoid components

    隨著柑橘果實發育和成熟,果皮葉綠素含量,與此同時,位於類胡蘿卜素生物合成途徑上游的-胡蘿卜素、 -胡蘿卜素胡蘿卜素成分逐漸直至消失,而在類胡蘿卜素生物合成途徑游的-隱黃質、 -檸烏素、玉米黃素葉黃素成分逐漸上升,使得類胡蘿卜素總量先略微后迅上升;果實褪綠並呈現其特徵色澤。
  3. When heavy bleeding occurs, the injured will have these clinical features : pulse accelerating but weakening, blood pressure dropping, feeling thirsty, skin perspiring, cold and pale, feeling feeble and weak, feeling restless, respiration shallow and quick, showing signs of air hunger and cyanosis

    當大量出血時,傷者會出現以之臨床表徵:脈搏快而弱血壓口渴皮膚濕冷及蒼白軟弱無力情緒不安呼吸淺出現空氣饑及神智不清情況。
  4. The hybrid algorithm raises the convergence rate of the conjugate gradient method and solves the problem for which the convergence rate of the steepest descent method get slower when the isopleth of goal function is oblong

    這種混合優化演算法結合了共扼梯度法和最法產生搜索方向,既提高了共扼梯度演算法的收斂度,又解決了目標函數的值線是扁長橢球時,最緩慢的問題,具有收斂度快、收斂范圍大、適應面廣特點。
  5. More to the point, though, is that as polarstern pursued its mission during the summers of 2002 and 2005, the rate at which new isopod species were discovered did not decline

    更能說明問題的是,盡管極地號是在2002年夏天到2005年夏天這段時間執行的任務,但發現新足類動物的率在這之後並沒有
  6. Chongqing, a city located in west china, confronted with a series of chances, such as yangtze gorges project, municipality directly under the central government, development of the west regions, and fully developing our ideal society so on, which made chongqing get great progress. the gdp of chongqing has increased by double digit every year since 1998, and gets to 266. 539 billion in 2004, 9608 yuan per person. engel ' s coefficient of downsman family of chongqing decreased below 40 % in 2004

    三峽工程、直轄、西部大開發、全面建設小康社會一系列的機遇使重慶這個西部城市獲得了前所未有的發展,從直轄到現在的八年時間內,重慶市每年的gdp均以兩位數遞增, 2004年,全市gdp總量達到2665 . 39億元,人均9608元,已突破1000美元大關,城市居民家庭恩格爾系數已經到40 %以,按照國際1000美元至3000美元為城市快發展期的標準,重慶市已進入快發展時期。
  7. We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped

    結論是:當脈沖長度接近離子體波長時,稀薄離子體將發生「前向受激raman散射」 ,它使脈沖后沿拉長,導致尾流場的相度變小,以至於被尾流場「捕獲」的電子最大動能大大
  8. In the fourth part, the writer analyses the factors which contribute to the slow - down of circulation speed of currency by establishing money circulation speed function in chinese transitional period and testing it empirically. the result of regression analysis indicates that income, monetization, resident saving ratio can explain the long decline of circulation speed of currency in chinese transitional period

    在第四部分通過建立中國轉型期的貨幣流通度函數並實證檢驗這些因素的影響效果來解釋貨幣流的變化原因,結果表明模型的擬合效果較理想,收入、貨幣化程度、居民儲蓄率因素能夠較好的解釋中國轉型期貨幣流通度的長期
  9. Proportion of expenditure on clothing, food and daily necessities is declining dramatically, while that of housing, transportation, telecommunication, medical care, education and entertainment is rapidly rising

    衣、食和基本生活支出的比重大副,住房、交通通信、醫療保健、文教娛樂的支出比重迅上升。
  10. For wireless communications, direct sequence code division multiple access ( ds - cdma ) techniques have received a great deal of attention due to the expectation of capacity increase, interference rejection capability, security, and so on. in a high data rate application such as multimedia services, however, the capacity of ds - cdma systems is limited by both the inter - chip, or inter - symbol interference

    Cdma技術以其高抗干擾能力、高容量、高保密性技術優勢在第三代移動通信系統中被廣泛應用,然而在高數據業務中,嚴重的碼間干擾和符號間干擾會導致系統性能明顯
  11. The maize and neorgelia cawlinae meyendor ffii were treated with uv - b radiation with the intensities of 0uw. cm - 2 ( ck ), 10uw. cm - 2 ( r1 ) and 15uw. cm - 2 ( r2 ), the duration of uv - b treatment were ten hours per day ( from am8 : 00 to pm18 : 00 ). the effect of uv - b radiation on the photosynthesis was studied, and the results showed as follows : ( l ) the effects of uv - b radiation on photosynthesis of maize and neorgelia cawlinae meyendor ffii the results of the experiment show that the photosynthesis of maize seedlings was restrained because of the decrease of chlorophyll contents activity of hill reaction stamotal conductance activity of pepcase and atp content caused by increased uv - b radiation, and it was more restrained under higher uv - b radiation. though the activities of rubpcase and pepcase were decreased, the chlorophyll contents activity of hill reaction stamotal conductance of mature maize were not affected, therefore the photosynthesis of grown - up plant was not affected

    Cm ~ ( - 2 ) ( r2組)的uv - b輻射,每天處理10小時( 8 : 00 ? 18 : 00 ) ,直至玉米成熟,以自然光照為對照( ck組) ,對增強uv - b輻射條件玉米和紅彩鳳梨光合作用的響應作了深入的研究和探討,結果如: ( 1 ) uv - b輻射對玉米和紅彩鳳梨光合作用的影響研究結果表明,因增強uv - b輻射低了玉米幼苗葉片的葉綠素含量、 hill反應活力、氣孔導度、 pepcase活性和atp含量,從而影響了玉米幼苗的光合作用,使其光合,且隨uv - b輻射強度的增加其影響程度加大;而玉米成株在增強uv - b輻射環境其葉綠素含量、 hill反應活力、氣孔導度未受影響,雖然其rubpcase活性和pepcase活性有所,但總體上其光合作用受到的影響不大。
  12. Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution

    簡單遺傳演算法存在著收斂度慢、易陷入局部極小缺陷.針對這些缺陷,本文設計出隨相對遺傳代數呈雙曲線的自適應交換率,並提出與父串間的相對歐氏距離成反比、隨相對遺傳代數指數的自適應變異率.實例驗證表明,具有自適應交換率和變異率的遺傳演算法在收斂度和獲得全局最優解的概率兩個方面都有很大的提高
  13. Melatonin has a simple chemical structure, but it plays a decisive role in bodily functions, monitoring the work of the glands and organs, and regulating hormone production. it also controls over - stimulation of the sympathetic nerves to lower blood pressure and slow the heart rate, thus reducing the impact on the heart. it also alleviates mental stress, improves sleep, adjusts the body s biological clock, relieves jet lag, strengthens immunity, increases the body s resistance to germs and viruses, and prevents cancer and senile dementia

    褪黑激素的化學結構非常簡單,但是在人體內卻具有舉足輕重的作用:它監視著體內各種腺體器官的運作,指揮各種荷爾蒙維持在正常的濃度它可以抑制人體交感神經的興奮性,使得血壓心跳率減慢低心臟負擔它能夠減輕精神壓力提高睡眠品質調節生物時鐘緩解時差效應,而且具有加強免疫功能抵抗細菌病毒及預防癌癥老年癡呆癥多種疾病的功效。
  14. Especially as those substitute transport methods, such as airline and highway growing rapidly, railway ' s compete capability is waning and its market share is shrinking day by day

    特別是當民航、公路替代運輸方式迅崛起之時,鐵路的競爭力不斷衰弱,市場佔有率日趨
  15. It was found that in the case of non - isothermal crystallization, the onset and maximum crystallization temperatures of the nylon 6 of the nanocomposites are increased, while the crystallinity and crystallization growth rate is reduced

    在非溫條件,尼龍6石墨納米薄片復合體系的結晶起始溫度以及最大結晶率時的溫度均比純尼龍6有明顯的提高,但結晶度以及結晶率卻出現
  16. At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model

    本文首先對氣動系統外部結露的原理進行了分析,指出了氣動系統內部氣體溫度是氣動系統外部結露根本原因,提出了影響氣動外部結露的主要因素,包括環境溫度、環境濕度、供氣壓力、供氣溫度、氣缸負載和調閥開度。然後應用氣體動力學、氣體熱力學和傳熱學對氣動系統建立數學模型,用逆步進有限差分法和數值分析演算法對所建模型進行求解,利用c語言編製程序對氣動系統模型進行模擬,給出了氣管及氣缸內氣體的各個時刻的狀態參數。
  17. At the same time, the paper deduces the essential character of the model, gets the solution of model parameters and discusses the problems during engineering application of the analysis model. ( 3 ), one dimensional consolidation theory of impeded boundary by linear loading is deduced for layered soil, which expands the consolidation theory of impeded boundary. afterwards, the paper discusses the application of the model for settlement data of layered soil

    分析了沉數據模型的基本性質,得出了模型參數的解法,探討了沉數據分析模型在工程應用中存在的常見問題; ( 3 )針對分層地基,推導了加荷條件半透水邊界一維固結理論解,完善了半透水邊界固結理論,並討論了沉數據分析模型在分層沉數據分析中的應用問題; ( 4 )結合工程實例,闡述了沉數據分析模型的應用。
  18. The paper focuses on the processing technique of wood flour - recycle polystyrene composite, and assesses the effects of wood flour contents, coupling agent contents and the rotate speeds of extruder on water uptake, tension strength, bending strength and dynamic mechanical properties. the results can be shown as follows : with the increasing of wood flour, composites gain higher water uptake but lower dynamic mechanical properties, the storage moduli ( e " ) and glass transition temperature ( tg ) decrease

    較系統地研究了木粉含量、偶聯劑添加量和雙螺桿擠出機的螺桿轉主要擠出工藝參數對復合材料的吸水性能、拉伸強度、彎曲強度、動態機械性質(存儲模量e和損耗正切角tan )的影響規律,初步確定了適宜工藝條件,主要結論是: 1 )木粉含量的增加使得復合材料的吸水性能增加,動態機械性質
  19. That is, the partially penetrating sand drain ground is viewed as the double - layered ground, and its consolidation is analyzed with 1 - d consolidation theory, through the transformation from 3 - d consolidation to 1 - d consolidation in the region of sand drain. this can overcome the disadvantage that the excess pore water is discontinuous between the region of sand drain and under - lying soft layer. to the double - layered ground, based on the consolidation mechanism under surcharge, the excess pore water pressure calculation formula is deduced under the condition of multilevel equably loading or unloading, which perfects the consolidation theory

    然後,在充分考慮豎井區井阻、塗抹作用以及土體結構損傷破壞對固結影響的基礎上,將未打穿豎井地基合理地轉化為雙層地基,按一維固結理論計算,克服了傳統固結計算方法在豎井處理區與臥層交界面處存在孔壓間斷的缺點;在此基礎上,從超載預壓法的基本原理出發,分析了雙層地基超載預壓固結、沉機理,推導了多級加、卸載情況雙層地基的固結計算公式,進一步完善了雙層地基固結理論。
  20. The analysis results indicate that the transient performance of pump during starting period decreases evidently under cavitation condition ; cavitation performance of the pump has close relationship with flowrate, rotational speed and impeller parameters

    分析結果表明,啟動過程中的汽蝕現象使混流泵瞬態性能迅,汽蝕性能與流量、轉、葉輪參數有密切關系。
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