等距孔 的英文怎麼說

中文拼音 [děngkǒng]
等距孔 英文
equispaced holes
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • 等距 : equidistance; isometry
  1. The feathers attached to the arms and the tail evidently possess the structures of " modern feathers ", which consisting of the central shafts ( rachis ) and parallel barbs. dromaeosaurids are unusual group of maniraptoran theropods. they share many similar or the same features with archaeopteryx or other primitive birds, such as : u - shaped furcula, uncinate process, laterally facing glenoid of shoulder girdle, comparatively long forelimb, large semilunate carple, retroverted pubis, ascending process of astragalus, and " modern feathers " with rachis and barbs etc. these facts indicate not only that dromaeosaurids had developed many bird - like characters in course of the advanced maniraptorans toward birds, but also that there seemed to be the co - evolutionary trend between the feathers and the skeletal bones

    奔龍類是一類較為特殊的手盜龍類( maniraptora ) ,它具有許多與始祖鳥archaeopteryx甚至其它早期鳥類相似或接近的特徵,主要表現在:叉骨u形與始祖鳥和子鳥類的相同,背肋鉤狀突在子鳥類和個別反鳥類中也存在,肩臼窩絕大部分指向側方類似於始祖鳥,肩胛骨與烏喙骨間的夾角非常接近90也和始祖鳥的相似,前肢從比例上講顯得較長,大的半月形腕骨使肘部能向側方折過來,恥骨伸向後下方,骨上升突與原始鳥類中的為同源結構,羽毛已有顯著的分化且具備了現代羽毛的基本結構
  2. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定離的金屬構成波導的金屬壁,由於每排金屬遠小於波長,因此由縫隙泄漏的能量很小,這相當于內部填充了介質的矩形波導,所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現,比如功分器、濾波器、天線、耦合器、振蕩器
  3. Inverse aperture radar ( isar ) can image non - cooperative moving targets such as aircrafts, ships and celestial objects over a long distance under all weather and all day. it is of particular interest for strategic defense, anti - submarine warfare and radar astronomy

    逆合成徑雷達( isar )能夠對飛機、艦艇、天體非合作運動目標進行全天時、全天候、遠離成像,在戰略防禦、反衛星、戰術武器以及雷達天文學中都有重要應用價值。
  4. To improve this ability, a higher cross - range resolution is needed. an inverse synthetic aperture radar ( isar ) achieves high resolution in the cross - range dimension by taking advantage of the motion between radar and targets to synthesize the effect of a larger antenna aperture

    逆合成徑雷達( inversesyntheticapertureradar ,簡稱isar )信號處理對接收到的運動目標的回波信號進行相干處理,價成一個大口徑天線,很大程度上提高了方位向離分辨力。
  5. In wormhole meshes, a reliable routing is supposed to be deadlock - free and fault - tolerant. many routing algorithms are able to tolerate a large number of faults enclosed by rectangular blocks or special convex, none of them, however, is capable of handling two convex fault regions with distance two by using only two virtual networks

    在應用蟲路由的mesh結構的多處理機系統中,已經有許多基於維數序的容錯的路由演算法被提出,其中大多數路由演算法只能容忍矩型或凸型的故障節點組成的區域,但是,至今還沒有一個演算法能應用兩個虛擬通道處理凸型convex故障區域離大於和於2的情況。
  6. ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6

    ( 3 )通過對空氣介質中簡易地下滴灌的微毛管試驗研究發現: 60m管長的毛管平均壓力水頭的位置基本上在第一口的有效管長40 - 45的地方;大部分水頭損失發生在毛管的前半部分;壓力均勻度隨徑的增大而減小,但與初始工作水頭關系不密切;在1 . 5m以下的工作壓力下運行,沿程出流均勻度隨徑的增大而降低,當徑不大於1 . 0mm時,灌水均勻度可以達到60以上;當徑大於於1 . 2mm時,灌水均勻度低於50 。
  7. Firstly, the system is divided into many modules according to different point of view ; secondly, to the hardware equipment - vidicon, lenses, revolver, shield and decode device, their principle of work has been explained ; thirdly, according to image identification experience and other indexes of the system, the focus of the lenses and relative aperture are calculated, and the type of the camera is confirmed, at the same time, the energy of infrared lamp is also computed in the thesis ; at the same time, synthesis control box is devised

    首先,按照角度的不同,將系統劃分成許多模塊。其次,對硬體設備? ?攝像機,鏡頭,雲臺,防護罩,解碼器的工作原理進行了闡述,再次,以人的成像辨認的經驗判據為依據,結合系統的其它指標,設計計算出鏡頭的焦f 、相對徑d ,同時確定攝像機的型號,並計算出紅外燈光源。最後,對綜合控制箱進行設計,指出了設計的意義,實現的功能,並附上了綜合控制箱的外形圖。
  8. Hole pitches in equal steel angles

    邊角鋼的
  9. Effects of different fuel - air ratios and different geometric parameters of dual - stage swirler ( such as inner diameters of the primary swirl and secondary swirl passages, outer diameters of the secondary swirl passages, vane angle of the primary and secondary swirler, the distance of the flare exit from throat etc ) on combustion performances are studied experimentally. the experimental results show that radial profiles of the outlet gas temperature 、 combustion efficiency 、 emissions of co2 、 co and nox and lean blowout are affected with different degrees by the different geometric parameters of dual - stage swirler and the arrangement of primary holes

    在不同油氣比下,不同的雙級旋流器幾何參數(例如:一級與二級旋流器出口內徑d 、葉片安裝角、二級旋流器出口外徑d 、二級旋流器的喉道到出口截面的離l和喉道前後的圓弧半徑r以及主燃布局)對單頭部環形燃燒室的出口溫度分佈、燃燒效率、貧油熄火油氣比以及污染物( co _ 2 、 co和nox )排放燃燒性能的影響規律進行了研究。
  10. The article below deals with the mechanism research of this kind of machine, describing the structure and principle ; theoretically analyzing the data to derive formula ; tentatively proposing theory of radial flow between parallel plates for future design ; pores arrangement, i. e., longitudinal pores are equally spaced, horizontal pores bore size is preferred unequal and rows distance can be either equal or not but generally smaller than pores distance, and rows shall be odd numbers and are arranged symmetrical from the center row and bore size reduces gradually from the center row

    本文對氣墊機作了機理研究,描述了氣墊機的結構型式及工作原理,對氣墊機的主參數作了理論分析,根據平行平板間的徑向流動理論,建立了計算模型,導出了計算公式,可作為氣墊設計理論的依據;提出了氣布置的原則:縱向較好,橫向徑不為佳,橫向可以相,也可以不相,但一般小於。氣排數應為奇數,由中心兩側呈對稱布置,徑由中心向兩旁逐漸減小。
  11. The paper researches the relations between blasting effect and blasting parameters, including diameter of drill, non - coincidence coefficient, hole spacing, hole row - spacing, cartridge diameter, charge per hole, density of line charge, charging structure and detonating manner, and how to adjust the blasting parameters to get the best blasting effect under the given geological condition

    本文在重慶市某高速公路合同段進行了現場預裂爆破試驗的基礎上,研究了炮眼直徑、不耦合系數、炮、炮、藥卷直徑、單藥量和線裝藥密度、裝填結構、起爆方式爆破參數與爆破效果之間的聯系,以及如何在給定的地質條件下調整爆破參數獲得最佳的爆破效果。
  12. Shandong jiluer tyre limited company, locate in su lu yu wan the huaihai economic center of boundary teng state city, north faces hole son and near mount taishan, south pi xuzhou, west receives tiny lake, have good historical humanity landscape, is away from the north of more than 7300 years xin cultural birthplace, ink son, meng chang jun and hair wait for figure then, is famous far and near, history is long, cultural and bright

    山東吉路爾輪胎有限公司,位於蘇魯豫皖交界的淮海經濟中心? ?滕州市,北臨子而近泰山,南毗徐州,西接微湖,具有良好的歷史人文景觀,是今7300多年的北辛文化發祥地,墨子、孟嘗君、毛遂、魯班人物聞名遐邇,歷史悠久,文化燦爛。
  13. The quantification indexes that token weathered degree are primary velocity, borehole rqd ( rock quality designation ), joint space, joint number and so on, and the unloading ones are primary velocity, joint opening, borehole penetrability and so on. the compartmentalization of different weathered and load - off zones according to quantification indexes tallies with the slope geo - stress computed by finite element method

    其中研究風化分帶的定量指標有縱波速vp 、鉆rqd 、結構面間與條數,研究卸荷分帶的定量指標有縱波速度、節理開度與鉆巖體透水性,據此劃分的不同程度風化、卸荷巖體與有限元計算的壩區河谷應力場具有良好對應性。
  14. Numerical examples, two cavities case, are provided to show the effect of wave number, distance between the centers of the cavities and the ground surface and distance between the centers of the cavities upon the dynamic stress concentration around the cavities edge and ground motion impacted by incident steady sh - wave

    通過具體算例,討論了與界面離的相鄰二個圓對sh波的散射,給出了數值結果,並討論了波數與圓至邊界離和二圓中心離變化對動應力集中和地面運動的影響。
  15. Based on the engineering practice of the side slope excavation of dayanchi section within the road for the construction traffic of guandi hydropower station, the problems such as the selection of blasthole distance for presplit blasting, and the rock ridge, the levelness of the presplit face, lower hole - making rate of the auxiliary blastholes after the presplit blasting, the blasting network for prespliting and blasting zone and the angle change of the presplit hole etc. are analyzed ; for which the specific solutions are put forward herein as well

    摘要通過官地水電站對外交通公路大鹽池合同段邊坡開挖中預裂爆破的工程實踐,對預裂爆破的選擇及下部嚴重出現巖坎、預裂面平整度、預裂爆破后輔助率低、預裂與爆破區爆破網路以及預裂角度變化問題進行分析,提出了具體的解決方法。
  16. Due to restriction with the array aperture transition time, traditional phased array radar works under relative narrow signal bandwidth, so this restricts the application of phased array radar in the field where high performance is demanded. however, optically controlled phased array radar ( ocpar ) adopts the photoelectron technology, counteracts the aperture transition time via the method of optical true time delay ( ottd ), so it can realize wide instantaneous bandwidth and squint - free operation ; meanwhile, it can realize the miniaturization of phased array radar and has super anti - electromagnetism interference capability

    而光控相控陣雷達採用光電子技術,通過光實時延遲的方法來抵消徑渡越時間,可以實現相控陣雷達的寬帶寬角掃描;同時也可以使得相控陣雷達小型化,並具有強的抗電磁干擾的能力;另外,由於光纖傳輸具有損耗低、頻帶寬固有優點,採用光纖連接雷達天線和雷達控制中心,可以使兩者的離較採用同軸電纜有較大的提高,更有利於保護雷達控制中心。
  17. This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )

    本文主要對聚丙烯腈( pan )二甲基甲酰胺( dmf ) 、 pan二甲基已酰胺( dmac )體系進行電紡絲,調節靜電壓( 20 50kv ) 、噴頭徑( 0 . 5 0 . 8mm ) 、接收離( 15 25cm ) 、溶液濃度( 6wt 14wt )過程參數,制得pan納米纖維,纖維平均直徑在200 1000nm ;詳細分析了過程參數對纖維細度、形態的影響,認為高聚物溶液濃度及靜電壓對纖維細度有決定性影響,其它過程參數如接收離、噴射徑、紡絲溶液溫度、溶液電導率的調整應以這兩參數為基礎進行。
  18. The paper analyzes the features of the design of shijiezhichuang station on shenzhen subway line 1 in respect of the choice of transfer mode, the scale of transfer nodes reserved in advance, openings in the ceiling, utilization of the upper space above the region of crossover switch and the distance between the east end of the station and the existing road tunnel

    摘要對深圳地鐵1號線世界之窗站設計中的特點進行分析,包括車站換乘形式的選擇,預留換乘節點的大小、車站頂板的開、折返線道岔區上部空間的利用、車站東端既有汽車隧道的
  19. ( 3 ) based on the experiments data, it has been found that if the emitter discharge of sdi was little, the depth of pipe buried should be shallow, and the distance between two micro holes should be chosen to equal or close the distance between two lateral pipes, if the emitter discharge of sdi was great, the pipe may be buried deeper, and the distance between two micro holes could be greater than the distance between two lateral pipes

    根據一維土柱近似的濕潤輪廓線初步選定了工程設計參數。在地下滴灌灌水器出流量較小情況下,埋深應淺,應選擇和毛管間或接近;出流量大時,埋深可深,大於毛管間仍可獲得較均勻的土壤水分分佈。
  20. Calculate dimensions and parameters like screw pitch, diameter of gear pitch circle etc. by given casting parts

    根據給定的鑄造零件進行測繪,運用已學過的基本知識,計算出有關尺寸,如螺中心的有關參數
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