高速下降 的英文怎麼說

中文拼音 [gāosùxiàjiàng]
高速下降 英文
high-speed descent
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 速 : 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 : 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 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 高速 : （高速度） high speed; high velocity （hv）; high rate; swift; fast; express; high-speed
  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、邊緣檢測等處理，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速下降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、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。
  2. 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速下降法產生搜索方向，既提高了共扼梯度演算法的收斂速度，又解決了目標函數的等值線是扁長橢球時，最速下降法下降緩慢的問題，具有收斂速度快、收斂范圍大、適應面廣等特點。
  3. The data suggested that the reasons for photosynthesis change of salicornia bigelovii torr

    玉米的光合速率隨鹽處理濃度的升高而下降。
  4. According to pump performance curve shown we can get that the distance h is changed with the rotate speed n in the same point q, and the flux q is changed with the rotate speed n in the same point h. from the curve we can get the rule that the distance and rotate speed are in direct with ratio at the same flux point, and the rotate speed and the flux are also in direct with ratio at the same distance point

    根據相似定律：流量與轉速的一次方成正比；揚程與轉速的二次方成正比；功率與轉速的三次方成正比。即在降低轉速，調低水泵出水揚程的同時，功率下降的幅度非常大，從中可以節省相當大的電能。完全應在高水位時降低水泵機組轉速，從而使電機的輸出功率隨著轉速下降值與轉速原值商的三次方關系下降。
  5. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  6. After pretorsion the successor tensile yield limit and strength limit both improved very highly, but the trend of the increase of the strength limit was suspended till the pretorsional capacity reached 17, when the pretorsional capacity was greater than17 ( prestrain value was 81. 19 % of total strain ), the successor strength limit rapid failed and approached the yield limit. this illustrate the a3 steel specimen translate from plasticity into friability after pretorsion strengthen. when the specimen was operated by tension - torsion action, the yield limit had very large improved, but the strength limit changed very little. furthermore, the trend of the increase of the strength limit was suspended till the pretension capacity reached 0. 25 ( prestrain value was 66. 93 % of total strain )

    A3鋼試件在預扭轉后，后繼拉伸屈服極限和強度極限均有很大提高，但強度極限的增大趨勢到預扭轉量為17為止，預扭轉量大於17 （預應變值為總應變的81 . 19 ）后強度極限迅速下降，與其屈服極限接近，這說明a3鋼試件經預扭轉強化后逐漸由塑性轉化為脆性。該預應變值為a3鋼試件的韌脆轉變點。 a3鋼試件在拉伸-扭轉作用下，屈服極限有很大提高，但強度極限沒有多大改變，而且，屈服極限的增大趨勢到預拉伸量為0 . 25應變（預應變量為總應變量的66 . 93 ）后就不再增加。
  7. 2. 2 effect of salt treatment on osmotic potential of cell sap of leaves 2. 2. 1 effect of naci treatment on osmotic potential of cell sap of leaves due to plants " obtaining a great deal of ions, the osmotic potential of naci treatment decreased with the increase of nacl concentration in medium

    2 . 2鹽處理對堿蓬幼苗葉片細胞汁液滲透勢的影響2 . 2 . 1naci處理對堿蓬幼苗葉片細胞汁液滲透勢的影響naci處理下，植物吸收了大量的無機離子，使葉片細胞汁液的滲透勢迅速下降，並隨著鹽濃度的升高下降的程度逐漸增大。
  8. The results show that the deformation resistance is affected remarkably by both strain rate and deformation temperature, the deformation resistance decreases with the increase of temperature, and it increases with the increase of strain rate

    結果表明：變形溫度和應變速率對耐候鋼變形抗力的影響最強烈；耐候鋼的變形抗力隨變形溫度的升高而下降，隨應變速率的提高而增大。
  9. It shows that the generator simplification can do improve the sweeping speed of the last swept volume in linear time while preserving its quality, but after reaching a critical point, the quality of the swept volume declines sharply with simplification of the generator. so does the trajectory resample

    實驗結果表明，在一定的簡化（掃描母體）范圍內，掃描體生成的速度隨著掃描母體的簡化程度成線性關系提高，掃描體質量則基本保持不變，當達到某個臨界點后，隨著掃描母體的繼續簡化，掃描體質量迅速下降。
  10. However, sod, pod, and apx activities increased rapidly in 6h and then decreased sharply afterwards under freezing temperature treatment. they are severely inhibited by stress under - 8 @

    在零下低溫時， sod 、 pod和apx的活性6h內迅速提高後下降， ? 8處理120h后，其活性已受到明顯的抑制。
  11. A practical way to overcome this difficulty is to use the so - called " natural level function " as the merit function instead of the general level function

    此時newton方向是自然水平函數的最速下降方向。因此，利用自然水平函數進行搜索，可以增大演算法的步長，達到提高演算法效率的目的。
  12. 5 and was virtually inactive above ph 6. 0. when the enzyme was incubated at various ph values at 37 ? c for 30 min in the absence of substrate and the residual activity was measured, the phytase was found to be stable at the ph range of 2 to 8

    該酶反應的最適ph值為5 . 5 ，在phz一6之間都有較高的酶活性， ph大於6時植酸酶的活性迅速下降，在phz一8之間的穩定性很好，活性> 70 % 。
  13. The results showed that the factors that could shorten the plating time increased the plating rate. the plating rate was increased when the ph and the temperature of the bath were increased. it was also increased by increasing the concentration of copper sulfate and by decreasing the concentration of edta

    結果表明，鍍液出值和施鍍溫度升高，鍍速提高：提高硫酸銅濃度，可以增加鍍速； nm濃度提高，鍍液穩定性增加，鍍速下降：隨甲醛濃度的提高，鍍這光增加而後下降。
  14. The performance of similarity indexing structures in high dimensions degrades rapidly. in lower dimensional space, we often use lp - norm to measure the proximity between two points, but in many case the concept of this proximity is never meaningless in high dimensional space. these issues bring high dimensional data mining two challenges

    隨著數據維數的升高，高維索引結構的性能迅速下降，在低維空間中，我們經常採用l _ p距離作為數據之間的相似性度量，在高維空間中很多情況下這種相似性的概念不復存在，這就給高維數據挖掘帶來了很嚴峻的考驗，一方面引起基於索引結構的數據挖掘演算法的性能下降，另一方面很多基於全空間距離函數的挖掘方法也會失效。
  15. At fast speeds, centrifugal force causes the plane ' s turn radius to increase and its turn rate to decrease

    在高速下，離心力將導致飛機的轉彎半徑增加和回轉率降低。
  16. Spinning temperature were controlled ranging from 190 to 205, rotate speed of the screw was less than 70r / min, the ideal room temperature was 10 ~ 15, and the winding speed decreased with the increase of content of baso4

    紡絲溫度控制在190一205之間，螺桿轉速< 70r / mln ，卷繞速度則是隨著baso4含量的升高而下降，實驗中採取低速卷繞，紡絲理想環境溫度控制在10 ~ 15 』 c左右。
  17. Once collision accident occurred when the train is moving with fairly high speed, the energy - absorbing structure produces large plastic deformation along the direction needed to absorb sufficient energy, at the same time, the deceleration must be controlled within the endurable limits to human body

    當列車在正常運行時，車體有足夠的強度和剛度，需要滿足有關規范規定的強度、剛度要求；在較高速下發生碰撞事故時，吸能結構能夠沿所需方向產生塑性大變形吸收足夠沖擊動能，保證機器間和乘客區不發生破壞，並延緩碰撞作用時間，降低碰撞瞬間最大減速度，使撞擊減速度在人體承受范圍內。
  18. The diversity of the investment resource, the descent of the national economic proportion, and the introduction of foreign capital are the important reason that raised the per investment proportion of the regions

    沿海發達地區投資來源多樣化，國有經濟占投資總額比重迅速下降，非國有經濟占投資比重迅速上升，大規模引入外資也是提高這些省區人均投資額的重要原因。
  19. With the rapid development of information on the internet, around 20, 000, 000 web pages appeared, and lots of them have little entropy of intelligence. general search becomes weaker and weaker. the precision ratio and recall ratio have been declining that some special users have to look for a new method to fit their needs

    隨著網際網路信息技術的迅速發展，大約每天就有2000萬的新網頁誕生，且很多網頁的信息熵不高，導致通用搜索引擎的信息覆蓋率和檢索精度都在迅速下降，因此發展面向專題的信息搜索與收集工具就成為趨勢。
  20. Fourth, why the torque electrical motors will rise and fall with the rotational speed

    四為什麼步進電機的轉矩會隨著轉速的升高而下降？
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