球凹 的英文怎麼說

中文拼音 [qiúāo]
球凹 英文
ball impression
  • 球 : 名詞1 （以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體） sphere; glo...
  • 凹 : 凹名詞（凹陷的地方, 用於地名） low-lying area; depression （used in place names）
  1. We fabricated a large computer - generated holography on a concave lens surface to test the convex secondary mirrors surface

    在凹透鏡表面上製作出了用於凸非球面檢測的曲面全息圖。
  2. The diameter of a sphere is four times the focal length of a concave mirror cut from it

    凹面鏡如果是從圓球上切下來的，圓球的直徑會是凹面鏡焦距的四倍。
  3. There are 336 dimples on a regulation golf ball

    一個正規的高爾夫球上有336個凹槽。
  4. Robinson could only look on in horror in zagreb when gary neville ' s back - pass hit a divot in the pitch and bounced over his foot to make it 2 - 0

    當加里.內維爾的回傳球碰在那塊凹凸的草皮並且彈過腳面后將比分變成0 - 2 ，羅賓遜只能驚恐站在薩格勒布看著這一切
  5. These specimens of ruppia are characterized by possessing a small oval endocarp, smooth endocarp surface, distinct narrowly elliptic external depressions, distinct apical mucro, slightly curved seed shape and conspicuous globose hilum. a new species, r. yushensis sp. nov

    該新種的主要特徵為內果皮卵形、表面光滑、側面具兩個顯著的窄橢圓形凹陷、頂端具一個明顯的小尖突，以及種子頂端具顯著的球形膨大的種臍。
  6. The aluminum siding on the house had hundreds of dents. the father would urge the boy to dive for grounders. the boy would get dirty. the father never yelled

    房屋的鋁制墻板上有幾百個凹痕，父親鼓勵男孩撲接滾地球，這個男孩老是全身臟兮兮，但他從不大聲斥責。
  7. Concave reflecting surfaces of spherical cap, paraboloid and hyperboloid of revolution are investigated with regard to the dependence of the levitation force on the section radius rb and curvature radius r ( or depth d ) of the reflector

    針對球面、旋轉拋物面和旋轉雙曲面三種形狀的凹面反射端，系統研究了懸浮力與反射端截面半徑r _ b和曲率半徑r （或深度d ）之間的本徵關系。
  8. ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given

    論文主要包括三個方面： （ 1 ）分析了凹面反射的焦散現象，給出了不同凹面反射的焦散圖； （ 2 ）分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了二維凹面反射波動場焦散區奇性主要有折疊（ fold ）和尖點（ cusp ）兩種的結論，利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式，並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果； （ 3 ）分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了三維凹面反射波動場焦散區奇性主要有折疊（ fom 、尖點kusp和燕尾k ）三種的結論，提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法，並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。
  9. Evidence that the above - imaged plates really are dust - covered water - ice includes a similarity in appearance to ice blocks off earth ' s antarctica, nearby surface fractures from which underground water could have flowed, and the shallow depth of the craters indicating that something is filling them in

    支持如上面影像的扁盤的確是被沙塵所掩的水冰的證據有：它有著與地球南極的冰塊相似的特徵、附近地表凹凸不平的部分曾經有被地下水淹沒的痕跡、影像中淺底的隕石坑也許表示有某種東西填滿了坑洞。
  10. Geochemical characteristics and prospecting direction of zhaiao region, western hennan

    豫西寨凹地區地球化學特徵及找礦方向
  11. In the condensed sections analysis, the concept of water - bearing lacustrine basin condensed sections and non - water - bearing basin condensed sections are firstly put forward, and have been described their features of lithology, mineral and geophysics, and have been predicted their distribution. meantime, this paper has studied the geochemical characters of source rocks, and contrast betwee

    同時，對有水湖泊密集段進行了烴源巖地球化學特徵和烴源對比研究，確立了凹陷的含油氣系統；對無水盆地密集段進行了蓋層封閉能力的研究，確定了含油氣系統的區域性蓋層及頂部范圍。
  12. Studying marine transgression of early tertiary in dongpu depression from paleontologic and geochemical marks

    從古生物和地球化學標志看東濮凹陷早第三紀的海侵事件
  13. Sr isotope ' s analysis of the paleogene of dongpu depression

    東濮凹陷下第三紀鍶同位素地球化學分析
  14. 1b ) steel parts must have polished angles and their visible surfaces smoothed down. screw heads have to be polished, with their slots and rims chamfered

    所有鋼制零件的邊緣必須削角、打磨、拋光使其如鏡面般光亮。所有螺絲帽的邊緣及凹口都要削角拋光，螺絲尾則須做平面或球面拋光。
  15. Yinggete - bagemaode metamorphic core complex belt with three - layer construction is put forward, which evolved from late jurassic to cretaceous. the extensional simple shear model of the chagan fault depression is established. the tectonic evolution and the dynamics character of chagan fault depression and its adjacent mesozoic - cenozoic basins are discussed : at the end of triassic continental orogeny increased crust thickness crust uplift and denudation were happened ; jurassic was a period of local partly extensional collapse of erogenic belt and cretaceous was a period of widely extensional collapse of postorogenic erogenic belt ; cenozoic was a period of the development of stable intracontinental depression with the character of long distant collision response and weaked compression flexure

    討論了查干凹陷及鄰區中-新生代盆地構造演化及其地球動力學特徵，三疊紀（印支期）為陸內造山作用與地殼增厚、隆升剝蝕階段；侏羅紀（燕山早期）為造山後造山帶的局部伸展垮塌階段；白堊紀（燕山晚期）為造山期后大規模伸展垮塌作用與伸展盆地的發育階段；新生代（喜山期）為遠距離碰撞效應與弱擠壓撓曲性質的穩定大陸內坳陷的發育階段。
  16. But after conducting a radar survey of craters constantly in shadow at the lunar poles, bruce campbell of the smithsonian institutionin washington dc and his colleagues said they did not uncover any evidence of thick ice deposits

    美國華盛頓特區史密森學會的布魯斯?坎貝爾和他的同事對月球兩極地區陰影凹地進行的經常性雷達掃描結果表明，並沒有任何大量冰層沉積的跡象。
  17. Round, smooth nuclear surface, and uniform nuclear pore changed into bumping surface and expanding nuclear pore, then the nuclei broken and disappeared ; 2 ) the degenerate and disappear of cell organelle and senescence of the flag leaf were obviously faster during the ripe of grain ; 3 ) the degenerate and senescence of chloroplast was faster than that of mitochondria ; 4 ) the nuclear of leaf cells broken and disappeared faster than that of the leaf bumdles

    即核呈球形，表面光滑，核孔勻稱核表面凸凹，部分核孔變大核膜破裂，核解體，消失； （ 2 ）在籽粒成熟期小麥旗葉衰老及其細胞器退化消失明顯加快； （ 3 ）細胞中葉綠體的退化、消失比線粒體稍快； （ 4 ）葉肉細胞的細胞核比維管束韌皮組織細胞核解體消失稍快。
  18. According to the characteristic of sedimentary stratum and the study of geochemistry in binbei area, source rocks of each layer become thicker from north to south. source rocks of south depressed center heiyupao, south wuyuer sunkeness and other area on the binzhou railway are best development

    根據濱北地區地層的沉積特點和地球化學研究，各層源巖表現為從北向南逐漸增厚，其中黑魚泡凹陷中部以南、烏裕兒凹陷南部、臨近濱州線的其它地區源巖發育最好。
  19. To my knowledge, no such concave mirrors made by reversing a glass sphere survive in museum collections, and no contemporary documentary evidence indicates that anyone made concave mirrors by reversing blown glass spheres

    據我所知，目前博物館里，沒有任何利用玻璃球內面製造的凹面鏡，也沒有任何那個時代的文件證據指出，有人製造過利用玻璃球內面做成的凹面鏡。
  20. Regarding to the technique requirement of robot, the robot shell is designed to be one whole, and the groove used to control the ball is also schemed out to improve the ability of control and of anti collision

    按照足球機器人的技術要求，機器人殼體採用一體化結構，並在前後兩端都設有控球凹槽，提高了機器人抗碰撞能力和控球能力。
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