寬深比 的英文怎麼說

中文拼音 [kuānshēn]
寬深比 英文
breadth depth ratio
  • : Ⅰ形容詞1 (從上到下或從外到里的距離大) deep 2 (深奧) difficult; profound 3 (深刻; 深入) thor...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  1. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    ( 2 )根據不同的前提條件,採用似然的方法推導了帶匹配場反演的最大似然目標函數;入地研究了帶匹配場處理中的相干與非相干問題;在分析參數反演的敏感性之後,提出了淺海環境參數帶匹配場反演的多步優化策略,並與全參數反演方法進行了性能上的模擬較。
  2. And then, metal structure with aspect ratio 30 was obtained in our laboratory. eventually, a few micro parts with high aspect ratio were fabricated by liga process under the optimum condition. there were key parts of micro thruster, netlike nickel antielectron modulator, micro copper radiator, stainless steel micro components and many filter mediums with different shapes and dimensions

    最後,我們利用liga技術加工的獨特優點,以發展其高技術的實際應用,先後製作了狹縫陣列鎳結構微推進器關鍵部件、薄壁網狀多孔鎳結構正電子慢化體、微型銅結構換熱氣和多種材料不同、尺寸各異的過濾介質,還結合利用liga技術和微細電火花技術的加工優點,製作出了不銹鋼微結構
  3. Plasma cyro - etching of high aspect ratio silicon crystal structures

    等離子體低溫刻蝕單晶硅高結構
  4. Analog test study of nozzle width and split type ' s influence on pneumatic efflux element switching performance

    及劈高對氣動射流元件射流切換影響模擬試驗研究
  5. The laser - liga technology provided by this research is the first technology to use ultraviolet laser as the exposal source for su - 8 photoresist lithography. it is a technology with lower cost and big potential to increase the aspect ratio as well as wider application

    本文首次提出採用紫外激光作為曝光光源的laser - liga技術,對su - 8膠進行曝光光刻不僅成本低、易推廣,而且具有大幅度提高光刻的潛力。
  6. In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits

    在子電路設計中,作者入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的的選擇及模式轉換點的設計。
  7. Lin h, li l and zeng l., " in - situ end - point detection during ion - beam etching of multilayer dielectric gratings ", chin. opt. lett., 3 ( 2 ), 63 ( 2005 )

    林華, "介質膜光柵:光刻膠掩模占和離子束刻蝕槽的監控" ,博士論文,導師:李立峰( 2006 )
  8. This creek was sufficiently wide at its mouth, and deep in the centre, to admit of the entrance of a small vessel of the lugger class, which would be perfectly concealed from observation

    小灣的中部很,開口處很,足以容納一艘斯羅娜古代的一種簡易平底小船的小帆船藏在裏面,外面望來是完全看不到的。
  9. With the development of memss, their structures are more and more complex, and new harmss need to be designed and fabricated. so, it is very necessary to simulate the imaging process of thick resist photolithograph

    隨著mems的迅速發展,其結構愈來愈復雜,高的新型mems結構需要被設計和加工,迫切需要對厚膠光刻過程的模擬。
  10. On the basis of this, the paper makes a great deal of calculation and analysis in this part, different parameters " effect and stress gradient are included. local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification

    本文對此內容進行了較為入的研究,考慮了多個參數的影響,對各種應力作用下的楔形腹板的屈曲及屈曲后強度進行了計算分析,得出了考慮翼緣相關作用的楔形腹板屈曲系數及有效度系數的計算公式,以期為規范的修訂提供參考。
  11. The content of the study as follow : 1 to choice the ship form, mainly ship ' s overall size ; draft, according to design of shanghai deep - water port and development of container ; 2. to deside the date of width ; depth ; path ; tract and sinkage through simulator tests ; 3. to replenish and modify some date for channel design to very large container vessels in " design code of general layout for sea port " 4. to study ship ' s turning area ; ship ' s stop distance the new and special content of the study as follow : 1. statistics of path at the channel given by difference operators with the affections certain wind. currents. seas and other influences shows the path really needed under certain condition

    並可在各類航道和水域的通航安全評估及操船方法,航跡帶度,航道度,航跡帶分佈,船舶各種航行狀態時的下沉量研究中應用。本課題研究的內容: ( 1 )根據洋山水港設計規劃和集裝箱船舶的發展趨勢,通過研究、分析、較,選擇最合適的船型,尤其是船舶主尺度和船舶吃水。 ( 2 )在大量模擬研究情況下,得出進港航道所需的航道度和度。
  12. The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher. ( 4 ) antiplane surface motion of the underground circular soft inclusion and the underground homogeneous soft interlayer is investigated in this paper. the results indicate : surface displacement amplitudes just above the soft inclusion of small depth - to - width ratio is amplified and soft interlayer of small depth - to - thickness ratio is amplified to a certain degree, and moreover, the latter is lower limit of the former

    結果表明:垂直入射時,小軟夾塞上方地表位移幅值有較大的放大,小軟夾層的地表位移幅值也有一定的放大,且後者為前者的下限;波接近掠入射時,軟夾塞正上方地表點和軟夾層的中國地震局工程力學研究所碩士學位論文一地表位移幅值都沒有放大,而軟夾塞迎波面一側地表點的位移幅值會有一定的放大;軟夾塞上方的地表位移運動有較強烈的扭轉效應,且此扭轉效應隨入射波頻率的增高而增強。
  13. After that, antiplane surface motion features of the shallow alluvial valley of small depth - to - width ratio are investigated in details. the results indicate that surface displacement amplitudes of alluvial valley will not reduce when the alluvial valley become shallow. the maximum amplitudes will move to high frequency with depth - to - width ratio becoming small

    在此基礎上,對小的淺圓弧型沉積盆地出平面地表運動特徵做了較入的研究,結果表明盆地地表位移幅值不會因變淺而減小,最大反應會隨著盆地的減小而向高頻移動。
  14. Fabrication process of the microgripper based on silicon bulk micromachining is designed. effects of footing and lag in icp and bonding failure are discussed as emphases. the cantilever type gripping finger that is 6 m wide and 5471 m in equivalent length was released successfully characteristic of comb - drive electrostatically actuated microgripper is tested

    進行了大量的工藝試驗和分析,特別對大的超長長度懸臂梁型夾持臂及梳狀驅動結構進行了入研究,解決了微細加工工藝中的關鍵技術。
  15. Therefore dredged section ' s wide - deep radio will be a good value adopted as well

    因此,開挖斷面寬深比也同樣存在一個較佳的取值范圍。
  16. The ratio of the length to the depth of scour hole decreases with the increasing scour depth, in spite of the reason is the increase of the air concentration, the decrease of the jet velocity or the decrease of the jet thickness. 5. governing equations of the aerated jet flow are established

    摻氣對沖坑形態並沒有實質性的影響,沖坑的寬深比隨沖坑度的減小而增大,無論造成沖坑度減小的原因四) 1大學i學博士學位論文是摻氣、降低流速還是減小入射水舌厚度,其變化規律都可用相同的直線關系表示。
  17. The optimum design mathematical models of both kind channels are developed in accordance with the theory of minimum rate of energy dissipation. the rate of energy dissipation of flow is used as the objective function, and the condition of both non - eroding and non - silting, or the condition of equilibrium of eroding and silting is the constraint

    以水流能耗率作為穩定渠道設計的目標函數,分別以渠道不沖不淤平衡和沖淤平衡作為約束條件,建立起穩定渠道優化設計數學模型,求解渠道底、水降的優化值及相應流速。
  18. Secondly, this article studies the static working state of the labyrinth seals in steady flow, including the cavity the relative thickness between gear the proportion of cavity depth to cavity width various gears the level angle of gear the influences of helical gear angle and it ' s flowing direction

    2 、研究迷宮密封在定常流動下的靜態工作特性,其中主要包括空腔數、齒間相對厚度、間隙與空腔度之、空腔、不同齒形、齒面傾斜角、斜齒傾角和流向等的影響。
  19. Under the chosen conditions of testing discharge - sediment and scheme of dredged section, the effect of dredging river for deposition reduction will be considered better when the dredged section ' s wide deep radio is - ^ b ~ nlhn with 6 ~ 9 and dredged section area is about 250 ~ 300m2

    在選定的試驗水沙條件和挖河斷面方案下,認為開挖斷面面積在250 300m 『左右,斷面寬深比vb 。 m在6 9之間挖河減淤效果11 。
  20. The experimental research shows that the more wide - shallow the dredged section size is, the bigger the back - deposition ratio will be. but when the dredged section is over narrow - deep, the back - deposition ratio will be increasing with decreasing of wide - deep radio

    試驗研究表明:開挖斷面愈淺,開挖段回淤越大,但過于窄時,回淤反隨寬深比減小而增大。
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