射中無效 的英文怎麼說

中文拼音 [shèzhōngwúxiào]
射中無效 英文
goal non valid
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 射中 : dent the drapes
  • 無效 : of no avail; to no avail; invalid; null and void; nullity （合同等的）; in vain; unavailability; ...
  1. Happily we all shoot at the moon with ineffectual arrows ; our hopes are set on inaccessible el dorado ; we come to an end of nothing here below

    我們幸福地用無效的箭射向月球；我們卻沒有達到希望中的理想國；我們今生今世一事無成。
  2. The activation effect of zn2 + modification, including enhancement of emission intensity, slowing of luminescence decay and increasing of quantum yields, results from the formation of zns shell outside the nanoparticles, which is passivating the surface of nanoparticles, eliminating the surface quenching centers, so as to block the nonradiative transition pathways through these kind of quenching centers

    Zn ~ （ 2 + ）表面修飾在納米顆粒表面形成了zns殼層，鈍化了納米顆粒的表面，消除了表面猝滅中心，阻塞了通過表面猝滅中心進行無輻射躍遷的通道，從而使得發光強度增加，衰減變慢，量子效率提高。
  3. American airborne recoilless rifles have their setup times reduced to enable them to fire more effectively at moving vehicles

    美軍空降兵無坐力炮架設時間降低，以使其能更加有效地射擊移動中的車輛。
  4. The temperature distribution on the high temperature side of an electric tunnel furnace is analysed and simulated on the basis of the principle of thermal radiation by the way of thb ( thermal heat balance ). the heated silicon carbon sticks are decomposed into innumerable tiny heating faces, which exchange the heat with the heated materials. a numerical model based on the radiation intensity law is constructed to calculate the energy absorbed by the heated materials and simulated by a computer. the results showed that the even distribution of temperature can be obtained by optimizing the arrangement of the silicon carbon sticks according to the calculation results to make the structure design more reasonable. these calculation results have been used in the practical designs and the expected objectives achieved

    利用熱輻射原理，採用熱平衡法對電熱隧道窯的高溫恆溫區溫場進行了分析和模擬.計算中將發熱棒分解為無數微元發熱面與燒結體進行熱交換，依據輻射強度定律，建立了燒結體接收能量的數學模型，並用計算機進行了模擬計算.結果表明，依據模擬結果來優化硅碳棒的排布，可使結構設計更加合理，進而可以獲得分佈均勻的恆溫區溫場.計算結果已在窯爐設計中應用，實踐效果良好
  5. The recording characteristics of the material are discussed in detail in terms of sensitivity, diffraction efficiency, bragg angle, refractive index modulation ( an ) and so on

    通過在材料中記錄無傾斜光柵，研究了該材料的全息存儲特性（包括衍射效率，靈敏度，動態范圍，折射率調制度，角度選擇性等） 。
  6. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面：對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析，並研製了現場所使用的滾動軸承故障檢測裝置，將無量綱參數診斷法應用於段修現場，且做了大量試驗；對于現場試驗中所出現的問題進行了分析，提出將聲發射的方法用於軸承的在線故障診斷；從理論上分析了聲發射現象，從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法，並在實驗室中，採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析，證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  7. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  8. The expansion and dehiscence behavior during the vacuum reactive sintering below 660 of compact ti / al composite powders was experimentally investigated, and the reasons of expansion and dehiscence were theoretically analyzed. the method of low temperature reactive sintering was generalized, and the experiment testified the method effective. the rule of the expansion of the billets was generalized from the result of density of the billets

    低溫反應燒結工藝:研究了高能球磨ti / al復合粉體在溫度低於660下真空無壓反應燒結過程中的膨脹和開裂行為，分析了產生膨脹和開裂的主要原因;並提出了能夠有效預防坯料開裂的方法;通過測定坯料在低溫燒結后的密度，總結了其體積膨脹的規律;通過x射線衍射技術分析了隨球磨時間不同，金屬間化合物的生成情況。
  9. Considering the diffuseness of the n - n scattering in the forward direction results in an increased reaction cross section. and also the angular distributions calculated in the glauber theory including these two corrections are in good agreement with the experiment data. in the investigation of the halo nucleus reaction with a loosely bound structure, one has to consider the strong spatial correlations among its constituents

    考慮了低動量轉移的核子?核子兩體散射在朝前方向上的彌散，使計算得到的反應截面增大，而且我們從彈性角分佈的分析中得到考慮了有限力程修正的效應無論是在峰的位置還是角分佈的絕對值都能更好地符合實驗。
  10. With the corrected parameter files, the results indicate that the isotopic abundance in the sample can be determined within 2 % error using a hpge detector system. artificial neural networks ( ann ) are a class of models based on neural computation and have been applied to the measurement of uranium enrichment. the principles of ann methods used in uranium measurement are presented in this paper and the conditions of analysis proceedings are described

    在核保障核查測量中和實物監測中，測量對象往往是規格確定並種類有限的元件或部件，只需要關心測量對象的屬性是否發生了變化，或者對同一種類的放射性樣品的一致性做出判斷，這種要求下使用神經網路方法是比較適宜的，並且神經網路方法是與探測器和探測效率無關的。
  11. Nowadays, china is under the same track, we need to ask ourselves : what is the secret to make our enterprises develop faster ? how to learn from so many kinds of enterprise cultures ? when we are in this individual circumstance which has thousands years of civilization and everything around us is changing so fast, what is the most suitable enterprise culture for our enterprises

    然而20年過去，當我們回首世界爭相效仿日本企業文化的過去，當我們如今環顧周圍無數成功的世界各國企業及其各具特色的企業文化，我們立足於大量吸取世界先進知識的現階段，什麼才是企業飛速發展的真正秘密，在各式各樣的企業文化中該如何取捨，在千年文明的映射和一切不斷飛速發展變化的今天，怎樣的企業文化才真正適合中國企業發展
  12. It becomes a challenge to suppliers in the pearl river delta region. with the support from the innovation and technology commission of hong kong sar government, the university of hong kong s e - business technology institute has recently developed a flexible rfid middleware that can help companies to integrate backend systems with rfid equipments in a time saving, cost effective and painless manner

    香港大學電子商業科技研究所簡稱eti獲得特區政府創新科技署資助，最近開發了一套靈活的無?射頻識別中間件，能協助這群生產商及其他公司以省時具成本效益和和簡易的方法，將無?射頻識別設備與其後臺系統整合起來。
  13. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  14. Results are presented for the sound radiation efficiency and power of the modes of the rectangular baffled plate subjected to simply - supported boundary conditions when the plate is excited by obliquely incident plane wave

    通過計算，得到了嵌在無限大障板中簡支板模型在斜波入射作用下的聲輻射功率和輻射效率。
  15. In order to prove the reliability and validity, we use the tektronix ' s bpa100 protocol analyser to test the bluetooth networks, in order to ensure the rignt run in the wide scope and validate the interoperability of each device. the result show that the office automation system in nayong power plant can improve the level of office automation

    為了驗證工程系統的可靠性和有效性，本文選用tektronix公司的bpaloo協議分析儀，對藍牙無線辦公網路進行了全面測試，確保系統能夠在寬范圍的微微網/散射網的配置中正確運行並驗證與其他設備之間的互操作性。
  16. The dissertion is dedicated to applying image registration to orientation and emendation system on artillery spying uav, and effective algorithms of image registration are presented

    本文研究了圖像匹配定位技術在無人炮兵偵察校射機定位校射系統中的應用，並提出了有效的匹配定位演算法。
  17. The authors suggest that the argon laser photocoagulation is effective in maintaining or improving the vision and preventing the vitreous hemorrhage for the patient with retinal branch vein occlusion

    作者認為氬氣雷射光凝固療法，對于視網膜靜脈分枝阻塞癥患者視力之保持或增進，以及預防玻璃體出血之發生，是相當有效的，在本報告中，無一例發生治療后的合併癥。
  18. As an example, the parallel machine scheduling problem is mapped on a non - constrained matrix construction graph, and a aco algorithm is proposed to solve the parallel machine scheduling problem. comparison with other best - performing algorithm, the algorithm we proposed is very effective. the finite deterministic markov decision process corresponding to the solution construction procedure of aco algorithm is illustrated in the terminology of reinforcement learning ( rl ) theory

    本章最後提出了解決并行機調度問題的蟻群演算法，該演算法把并行機調度問題映射為無約束矩陣解構造圖，並在演算法的信息素更新過程中應用了無約束矩陣解構造圖的局部歸一化螞蟻種子信息素更新規則，與其他幾個高性能演算法的模擬對比試驗證明這種方法是非常有效的。
  19. " qingkailing injection " was used to treat 31 cases of acute stroke. results : 5 cases got clinical cure, 16 cases marked effectiveness, 3 cases effectiveness and 7 cases failure ; the total effective rate was 77. 4 %

    摘要運用清開靈注射液治療31例急性中風。結果：臨床痊癒5例，顯效16例，有效3例，無效7例，總有效率為77 . 4 % 。
  20. This cache is invalidated during role mapping creation, role mapping deletion, resource deletion, externalization, internalization, and logout of the user

    在創建角色映射、刪除角色映射、刪除資源、外化、內化和用戶注銷的過程中，這種緩存是無效的。
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