達到極大值 的英文怎麼說

中文拼音 [dádàojídàzhí]
達到極大值 英文
maximizing
  • 達 : Ⅰ動詞1 （暢通） extend 2 （達到） reach; attain; amount to 3 （通曉; 明白） understand thoroughly...
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 達到 : achieve; attain; reach
  1. Simultaneously, combine with his own work experience, the author gets an advanced detail and general design steps. and then illustrates an actual engineering which is designed with the article ’ s recommendatory method and steps. by combining with the test results, it is proved that the ground treatment result obtains the design requirement and the commendatory method is right, which is able to provide reference value to the engineering

    本文首先對加筋土的研究現狀做了詳細的介紹和分析，在此基礎之上，對加筋土地基設計方法做了一定的研究，對地基承載力力設計方法做了對比分析，選擇極限分析法作為本文的推薦方法，並結合作者自身的工作經驗，提出了加筋土地基詳細和全面的設計步驟，然後用一個加筋土地基實際工程為例，採用本文推薦的設計方法和步驟進行設計，並通過現場試驗結果，證明該地基處理達到設計要求，也證明了推薦方法計算的準確性，這對廣大工程師在實際工程操作中有較高的參考價值。
  2. The primary cosmic radiation that reaches the earth is minimum at periods of maximum solar activity.

    在極大的太陽活動時期，到達地球的初級宇宙輻射是極小值。
  3. Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth

    值分佈以及場向電流強度和密度隨亞暴位相的變化，並著重分析了亞暴電流楔的特徵。結果表明，亞暴膨脹相的場向電流強度和密度都達到極大值亞暴的膨脹相是由行星際磁場轉向或南向分量變小觸發的，其起始位置很可能位於近地等離子體片內邊緣。
  4. In addition, in the austral winter, the westerly jet splits into two branches over the south pacific from 600 to 100hpa, with the subtropical branch located at 27. 5 s and the polar counterpart at 60 s. the maximal speed of the former is at 200hpa while the speed of the latter increases with height

    其次，在南半球冬季， 600 ? 100hpa的南太平洋上空西風急流會出現分裂，其中副熱帶急流中心位於27 . 5 s ，高緯度急流中心位於60 s ，前者在200hpa層風速達到極大值，後者風速隨高度增加而增加。
  5. Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas

    與基本bp演算法相比，本文提出的魯棒自適應bp演算法具有以下優點： （ 1 ）與魯棒統計技術相結合，通過訓練樣本相對偏差的大小，確定不同訓練樣本對能量函數的貢獻，來抑制含高噪聲干擾樣本對網路訓練的不良影響，從而增強訓練的魯棒性，提高網路訓練的收斂速度； （ 2 ）採用相對偏差和絕對偏差兩種偏差形式對權值進行調整，提高了網路的訓練精度； （ 3 ）在採用梯度下降演算法對權值進行調整的基礎上，通過將學習速率設為訓練誤差及誤差梯度的特殊函數，使學習速率依賴于網路訓練時誤差瞬時的變化而自適應的改變，從而可以克服基本bp演算法容易陷入局部極小區域的弊端，使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。
  6. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  7. After pretension 0. 1 strain and pretorsion to 14, whereas the strength limit keep on increasing in company with the pretorsional capacity

    其中屈服極限在預拉伸應變0 . 1后再預扭轉14后達到最大值，而強度極限隨著預扭轉量的提高不斷增大。
  8. In this manner, the size of agglomerations, or flocks as they are often called, tends to reach a limit.

    在上述兩種作用交互影響下，團塊的大小或通常所稱的絮凝團，將趨于達到一個極限值。
  9. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料，對該種激光器進行了深入的研究，通過對yag棒直徑的合理選取併合理地改進反射鏡面，從而既保證了光束質量又最大限度的增加了吸收長度，有效的提高了泵浦效率；在不影響泵浦的前提下，通過有效縮短yag棒的長度減小輸出損耗；對yag棒的水冷系統進行優化結構設計，使激光器體積減小到國外同類產品體積的一半，而輸出功率已達到國外同類產品的極限值。
  10. ( 3 ) the equivalent stress, which is from the coefficients for the spectrum - loads and miner linear accumulated damage rule, an approach for material probabilistic fatigue strength for spectrum loads is suggested. this approach are established by the composed of p - c - s - n curves for extreme maximum model

    （ 3 ）根據譜載荷系數和miner線性累積損傷準則得到的譜載荷下的當量應力的關系，與極大值模型的p - c - s - n曲線相結合，提出了譜載荷下材料概率疲勞強度的表達式。
  11. 3, during the process of the gear teeth meshing, the film shape and pressure distribution have little difference. but, the temperatures have the distinctive changes as the engaged position is varied, which means that the temperatures as the increase in the rate of slide to roll

    3 、在齒輪傳動嚙合過程中，壓力分佈和油膜形狀無明顯變化，但溫升隨嚙合位置的不同呈顯著變化，即溫升隨著滑滾比增大而增大;在單、雙齒嚙合交替處，摩擦系數達到極值，可達0 . 08 。
  12. A maximum strategy is more conservative because it maximizes the minimum possible outcome

    極大值策略是更為保守的，因為它使收益極小值達到極大。
  13. The experimental results indicate pc = 19. 2, lower indeed than that with identical size and shape particles, which further supports to previous conclusion of maximum mr near pc

    2 ，比相同粒徑、形狀的cro 。顆粒復合體要低，並再次證實了逾滲閾值附近，復合體的mr達到極大9
  14. Based on the continuous damage theory, considering the shear effect, the high - order shearing, flexural and in - plane deformation coupling model is built ; through the nonlinear fem analysis of rc beams strengthened with frp, the damage theory and damage course is researched ; compared with experiment results, it shows that the model is effective ; the fem analysis software is prepared to provide simple and effective method for the engineering application ; using the soft the frp strengthened beams before and after damage is modeled so as to provide the theory base for engineering application

    摘要基於連續損傷理論，考慮膠層的剪切效應，建立frp加固鋼筋混凝土梁的高階剪切彎曲及面內變形耦合模型，編制了有限元分析的軟體，進行非線性有限元分析；通過與已有的試驗結果進行對比，證明該模型的簡單，有效性；利用該軟體對未加固混凝土梁，初始進行加固的混凝土梁以及最大拉應變達到極限值時進行加固的混凝土梁等幾種情況進行數值模擬。
  15. The results showed that the water absorption ability of food super - fine powders could be determined stably and effectively by the self - made equipment, the water absorption abilities were different when the powders were made from different kinks of grains : the powders began to absorb water earlier and the speed of water absorption became rapider while the particle size of the powders was smaller, and the speed suddenly tended to increase and reached the limit value when the particle size of the powders was up to a certain value

    實驗結果顯示：根據毛細原理自製的毛細吸水測定儀能穩定、有效地測定食品超細粉的吸水性；不同來源的超細粉吸水性不同；同一種食品超細粉粒度越小，吸水開始早、吸水速度越快；超細粉粒度達到某一粒度值時，吸水速率突然增大並達到極限。
  16. The ions appear late in the morning and reach their maximum values at noon.

    離子早晨出現較遲，在中午達到它們的極大值。
  17. As the load increases, when the pile is no longer the pure friction pile, the method is also applicable for the cases that the pile has end support or the friction acting on the pile reaches limit

    隨著荷載的增大，當樁體不再是純摩擦樁時，計算方法同樣適用於有樁端力或樁側摩阻力達到極限值的情況。
  18. After annealing at 600, because of formation of multi - vacancy - type defects that have long positron lifetime, positron annihilation average lifetime increased. when the average positron lifetime increased to maximum value ( 360ps ), the interstitial oxygen concentration decreased to minimum value ( 4 1017atoms / cm3 ). this result suggested that oxygen was involved in the formation of multi - vacancy - type defects

    正電子湮沒技術測試證明，快中子輻照直拉硅中在大約600退火時產生的多空位缺陷具有較長正電子壽命，可以使正電子平均壽命增加，當樣品的正電子平均壽命達到最大時（ 360ps ） ，其間隙氧含量降到一個極小值（ 4 10 ~ （ 17 ） atoms / cm ~ 3 ） ，這說明氧參與了這些缺陷的形成。
  19. For the sample with the content of fe2o3 is 9 %, the maximum mr value of the composition ( lao9sroimno3 ) o9i ( fe2o3 ) oo9 increased in the negative direction, and get the maximum - 7 % at 337k ; with the content of feio increased, the mr of the composition increased also, when the content of fe2o3 is 17 %, the maximum mr value of the composition ( lao. gsro imno3 ) o. 83 ( feio o. n can reach - 30 % at 338k, where applied magnetic field is 1. 5t

    含量為9的樣品，樣品的磁電阻值在238k時隨溫度的升高而逐漸向負的方向增大，在337k時達到極值7 ；對于fe 。 oz含量為門的樣品，樣品的磁電阻值在265k時隨溫度的升高而逐漸增大，兩種不同比例的復合體系都在很寬的溫區內表現出較大的磁電阻，尤其後者，在1 st外場作用下， 338k時mr達到極值30 。
  20. " we tried to prepare the aircore meander type thin film inductors to increase the frequency that can be used. we prepared them with masks and by magnetron spllttering. wthollt the magnetic material we got large inductance by properly choosing the size parameter. the change of the size parameter does not influence the frequency that can be used, so we can improve the quality factor in the same time

    為了得到在更高頻率下適用的薄膜電感，在本實驗中我們嘗試製作了柵極型空心薄膜電感。我們採用掩膜法，通過磁控濺射制各樣品，在不加磁性材料的情況下，適當選取線圈形狀參數來得到較大的電感，由於形狀參數的改變不影響樣品的適用頻率，因而也能達到增大品質因數（ q值）的目的。
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