forward momentum 中文意思是什麼

forward momentum 解釋
前沖力
  • forward : adv 1 向前,前進 (opp backward)。2 【航海】在船頭,向船頭(opp aft)。3 今後,將來。4 出來,出...
  • momentum : n. (pl. momentums, -ta ) 【物理學】動量;【火箭】總沖量;〈口語〉惰性;勢頭;要素,契機。 the momentum of attack 進攻的銳氣[頸頭]。
  1. This obviously derails the forward - momentum process

    很明顯這是前進途中的一大障礙。
  2. The ( hbnceptiori of equivalent weight is put forward to build the model of rotary kiln " s axial movement by using the law of conservation of momentum

    提出了當量質量的概念,運用動量定律建立起回轉窯軸向運動速度模型。
  3. The historical tide is surging forward with great momentum.

    歷史洪流氣勢磅礴,奔騰向前。
  4. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷方法中,採用了產生式知識表達和正向推理機制;在基於神經網路的故障診斷方法中,則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷,並對由模擬得到的不同診斷結果進行比較。
  5. Grains moving in saltation receive most of their forward momentum directly from the pressure of the wind.

    在跳躍運動中的顆粒直接接受來自風壓力的大部分向前的動量。
  6. Adding momentum item while correcting weight and limiting range of input value reduce error and improve diagnosis correctness greatly. while normalizing the input value, a new way is put forward that normalization is performed item by item according to its sort. in this way error training can avoid going into the flat field that is caused by existing of 0 or 1 of the input value

    本文首先分析了故障診斷和神經網路的基本理論,並在此基礎上提出了神經網路對于變壓器故障診斷系統的適用性;文中將bp神經網路演算法用計算機實現;並針對其本身存在的一些缺點提出了一系列改進措施,通過在修正權值的時候增加動量項,並且限制輸入值范圍來減小誤差、提高系統的診斷正確率;在對輸入數據進行歸一化處理的時候,採取按類逐項歸一化的方法,避免了輸入數據出現0或者1而使訓練進入平坦區。
  7. In what direction lies forward ? to one side ? into the ball ? diagram 1d explains. you want to move into the ball, you want your momentum into the ball

    往哪個方向移動?向前?側向?還是往球的方向?圖1d可以解釋這個問題.你應該往球的方向移動,你希望你的沖量面向來球
  8. The business of accelerating development and making the people and city rich is surging forward with great momentum, our study should be also all - rounded and systematic

    加快發展、富民強市的事業是波瀾壯闊的,我們的學習也應該是全面的、系統的。
  9. Guangdong s strong momentum is set to help economic development in the pearl river delta take a big leap forward

    廣東省強勁的發展勢頭,有助帶動整個珠江三角洲的經濟發展向前邁進一大步。
  10. The study of the effect of the momentun distribution of target nucleons on the scdw calculation is performed, which shows that the larger nucleon momentum compenents affect the double differential cross sections at backward and forward angles, while smaller nucleon momentum compenents affect the cross sections near the qes angle

    本文還分析了核子動量分佈對scdw模型雙微分截面計算的影響,發現大動量的核子成分的增加會導致截面計算值在大角度區域和極小角度區域的增大;小動量核子成分的減小會導致截面計算值在準彈性散射角附近的減小。
  11. According to the law of mass moment of inertia and of momentum moment, the conditions for the complete dynamic balance of rotor inertial forces and moment of inertia in the rotary piston vacuum pump are put forward, with the rotor movement in single cylinder analyzed as basis

    根據質量矩定理和動量矩定理對單缸滑閥真空泵的轉子運動狀況進行了分析,分別提出了轉子慣性力和慣性力矩完全動平衡的條件。
  12. Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers

    文摘:以雙流體模型為基礎,通過質量守恆方程和動量守恆方程的耦合,提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱不穩定性產生的條件,計算了液滴尺寸及其分佈對乳化液極大堆砌分數的影響,解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明,乳化逆變是由於彌散傳質過程的不穩定性而引起的懸浮體型態的改變,隨液滴尺寸多分散性的增大,極大堆砌分數增大;隨液滴平均尺寸的增大,多分散性對極大堆砌分數的影響減弱;當韋伯數足夠大時,液滴尺寸及其分佈對乳化液極大堆砌分數無影響
  13. The concept of symmetry plan of electron spin space was put forward in this paper. the problems on eigen state of electron spin and average value of spin angular momentum projection and also on the problem of phase factor of the spin - state were analyzed and discussed

    本文提出了電子自旋空間的對稱面概念,分析了電子自旋的本徵態以及電子自旋角動量分量的平均值的問題,並討論了自旋態的相因子問題。
  14. Single - double suite - sized, and the height 2. 8 meters, the width of high ventilation, degree of comfort 270, 000 natural beauty of the yangtze river, the other side of riverside and look forward momentum

    單雙套房戶型,樓層高2 . 8米,高闊通風,自然舒適, 270度沿江美景,與岸臨盼望,氣勢磅礴。
  15. To establish a powerful operation and to effectively condense the internal resources are the momentum to push the ati forward

    建立強而有力之組織運作及有效整合所內資源是本所得以不斷向前邁進之原動力。
  16. Chapter 4 presents an error back propagation algorithm with quadratic momentum of the multilayer forward neural networks that will speed up the error convergence velocity

    本文提出一種帶二次動量項的多層前向網路誤差反傳演算法,提高了神經網路的誤差收斂速度。
  17. On the basis of research results of the existing experts and scholars especially the theory put forward by professor xu zhenliang ( my tutor ) that predicts the velocity profiles and friction loss of settling slurry when it flows in horizontal pipe and upward - inclined - pipe, relations among the velocity of water, that of solid particles and that of settling slurry have been established by the analysis of momentum transmission process between water and solid. then the calculation formulae for fricton loss of downward inclined and vertical pipe are deprived

    本文在現有專家學者的研究成果特別是許振良教授(導師)提出的預測非均質流在水平管道及向上傾斜管道流動時的速度分佈及摩阻損失的理論的基礎上,從動量守恆的角度建立了清水速度、固體顆粒速度和漿體速度之間的關系,進而推導出了向下傾斜及垂直管道沉降性漿體輸送的摩阻損失的計算公式。
  18. Based on momentum theory and shock wave gas dynamic theory, jet equivalent body idea and bow sharp wave mathematic formula is brought forward

    利用動量定理和激波理論分析方法,提出了噴流等效體的概念,推導了等效體弓形激波方程。
  19. Strong forward momentum ; driving force

    強大的前動力;推動力
  20. By contrast, the tsuen wan beaches have yet to show forward momentum in the battle against pollution, for reasons that are discussed below

    相比之下,荃灣區泳灘的污染情況未有顯著改善,個中原因下文將另作詳述。
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