邊緣弧 的英文怎麼說

中文拼音 [biānyuán]
邊緣弧 英文
border arc
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : Ⅰ名詞1 (緣故) reason 2 (緣分) predestined relationship 3 (邊) edge; fringe; brink Ⅱ動詞(攀...
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  • 邊緣 : 1 (沿邊的部分) border; edge; fringe; margin; rim; limb; skirt; verge; brink; periphery 2 (靠近...
  1. Geotectonically, the youjiang sedimentary basin was referred as youjiang yindosinian folded belt. triassic turbidites accumulated in the basin were derived from surrounding ancient lands including yuebei, jiangnan, and yunkai. tectonic setting of the sedimentary basin was in between an active continental margin and a continental island arc

    賦礦濁積巖系的主要物源區為盆地周圍的「越北古陸」 、 「江南古陸」和東地區包括欽防海西褶皺帶在內的「雲開古陸」 ,沉積構造背景介於大陸島和活動大陸之間的過渡構造環境。
  2. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同熔型花崗巖,其巖漿物質具殼幔混源特徵:主要由熔融態巖漿經結晶分異作用,通過多期變速上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖帶主要形成於板塊碰撞前消減的活動板塊期,為燕山至喜馬拉雅早期的大陸火山環境的產物。
  3. The results indicate : ( 1 ) the distribution of magmatic rocks shows the feature that in the middle and western part of the study area basic igneous rocks dominate, and in the middle - eastern part intermediate rocks are predominant, while in the southeastern part acid ones are developed. ( 2 ) in the area west to the shiwandashan basin, intermediate magmatites were controlled by deep ne - striking and nw - striking faults, especially at the conjunction site of these two group faults, magmatic activity was strong ; and its tectonic background can be attributed to extensional continental rift

    其中,在十萬大山盆地以西地區的偏基性巖漿活動受北東和北西向深斷裂控制明顯,尤其以此兩組斷裂交匯處的巖漿活動強烈,盆地構造背景屬大陸伸展裂谷環境;在十萬大山盆地以東地區為偏酸性巖漿活動,主要受東吳運動形成的欽防造山帶的控制,屬大陸造山帶或島造山帶環境。
  4. The independent jiangda tectonic belt has appeared since late carboniferous, following the jinshajiang ocean crust of subducted beneath the changdu continental crust and the continental margin arc formed in east of changdu terrane

    自晚石炭世金沙江洋洋殼開始向昌都陸殼地體下俯沖,形成陸以來,獨立的江達構造帶就得以產生。
  5. Based on these algorithms, and consider the property of the arc image, we proposed a new multi - stage algorithm. the proposed algorithm involves the class separability criterion in pattern recognition, and double - threshold method and non - maximum suppression proposed in canny operator. we apply this algorithm to the arc image, and get a better result

    並在這些演算法的基礎上,基於電圖像的特點,提出了一種改進的多階段檢測演算法,這個演算法中應用到模式識別中的類別可分離判據的理論,並使用了canny演算法所中提出的雙閾值法和非極大值抑制方法等等。
  6. Results the inner annular structure ( body ) is for exploration of oil, gas and coal ; the border of inner annular structure ( body ) for exploration of uranium ; middle annular structure ( body ) for exploration of coal and uranium because coal - bearing formation and uranium - riching formation outcrop in this area

    結果內環體是南油北氣、煤集中分佈區和有利勘探區,內環體是砂巖型鈾礦分佈區和有利勘探區,中環帶是含煤地層和砂巖型軸成礦層出露區和勘探區。
  7. 4. triangular diagram of the sandstone clastic compositions and the relationship diagram of major element suggest that the proto basin of the clastic rock of the yanbian group was a forearc basin, which was in an active continental margin

    群碎屑巖碎屑骨架顆粒統計分析結果和砂巖常量元素構造環境判斷圖解顯示,它們所處的構造環境為活動大陸,初步判定它們的原型盆地為前盆地。
  8. According to the characteristics of strata, tectonization and magmatism within the research area in the southwest margin of north china paleocontinent, and under the ideological guidance of mobilism and systematology, the geotectonic framework of the area could be divided as follows : ( 1 ) the longshoushan mountains continental margin ; ( 2 ) the hexi corridor back - arc basin ; ( 3 ) the northern qilianshan mountains suture zone ; ( 4 ) the central qilianshan mountains dispersion type island arc terrane ; ( 5 ) the southern qilianshan mountains back - arc basin ; ( 6 ) the qaidam massif

    根據本區地層、構造、巖漿作用特點,在「系統論」 、 「活動論」思想指導下,釐定華北古大陸西南的構造格局如下:龍首山陸帶、河西走廊后盆地、北祁連縫合帶、中祁連離散型島地體、南祁連后盆地、柴達木地塊。
  9. Tectono - sedimentary evolution of the basin may be divided into three stages : continental margin rift, back - arc rift, and depression basin

    其沉積?構造演化可劃分為三個階段:大陸裂谷、后裂谷和拗陷盆地。
  10. In the light of tectonic evolution stage and metallogenesis, these metallogenic system ( assemblage ) could be classified as follows : ( 1 ) the pre - divergent metallogenic system in the southwest margin of north china paleocontinent in the archean - meso proterozoic : dongdashan iron, jinchuan nickel - copper. ( 2 ) the divergent metallogenic system in the northern margin of the qaidam paleoplate in the middle - late proterozoic : huashugou - liugouxia iron. ( 3 ) the metallogenic system in the active margin in the early paleozoic : the metallogenic assemblage in the island arc - rift in the early stage ( baiyinchang - qingshuigou copper - polymetallic ) ; the metallogenic assemblage in island arc in the middle - late stage ( honggou - jiaolongzhang copper - polymetallic ) ; the back - arc extensional basin ( zhuzhuiyaba - jiugequan - shijuli copper ) ; the metallogenic assemblage in connection with subduction and magmatic - hydatogenesis ( taergou - xiaoliugou wolfram ; huashugou - liugouxia copper ; dadonggou - diaodaban lead - zinc ) ; the metallogenic assemblage is related to the oceanic crustal shards ( dadaoerji chromite ; yushigou chromite ). ( 4 ) the metallogenic system has something to do with collision - type orogeny : the metallogenic assemblage in foreland basin ( tianlu copper ) ; the metallogenic assemblage with the intracontinental orogeny and ductile shear ( hanshan - yingzhuishan gold )

    根據構造發展階段和成礦作用特點,確定本區成礦系統及組合如下: ( 1 )華北板塊西南太古宙中元古代裂解期前成礦系統:東大山鐵成礦組合,金川鎳銅成礦組合; ( 2 )柴達木板塊北中、新元古代裂解成礦系統:樺樹溝柳溝峽鐵成礦組合; ( 3 )加里東期活動大陸成礦系統:早期島裂谷成礦組合(白銀廠清水溝銅及多金屬成礦組合) ,中、晚期島成礦組合(紅溝蛟龍掌銅及多金屬成礦組合) ,后擴張盆地成礦組合(豬咀啞巴九個泉石居里銅及多金屬成礦組合) ,與俯沖作用有關的巖漿熱液成礦組合(塔爾溝小柳溝鎢成礦組合,樺樹溝柳溝峽銅成礦組合,大東溝吊大坂鉛鋅成礦組合) ,洋殼殘片成礦組合(大道爾吉鉻成礦組合,玉石溝鉻成礦組合) ; ( 4 )碰撞造山成礦系統:前陸盆地成礦組合(天鹿銅成礦組合) ,陸內造山韌性剪切成礦組合(寒山鷹咀山金成礦組合) 。
  11. Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology. the discussion is mainly focused on the theory of edge detection. an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently, which laid the foundation for further analysis of underwater wet welding arc mechanism and process control

    文摘:通過復合濾光技術和水下ccd攝像系統,採集出了藥芯焊絲水下濕法焊接電區域圖像,重點論述了檢測理論,確定了基於中值濾波和梯度運算元的電區域圖像檢測方法,有效地區分了電燃燒區域和電氣泡區域,從而為水下濕法焊接電的機理分析及水下焊接過程式控制制奠定了基礎。
  12. Firstly, a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula, the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize. secondly, using numerical searching and mathematical programming method solves the contact directions and loaded contact problem. finally, whole numerical simulation method is provided for loaded tooth contact analysis of high contact ratio spiral bevel gears

    首先以一種簡單實用的輪齒切矢量的數學表示方法取代了經典的微分表達式,大大簡化了幾何接觸的求解,使復雜曲面的幾何接觸分析得以實現;其次又採用數值搜索與數學規劃法求解了接觸的主方向和承載接觸問題,為高重合度齒錐齒輪承載嚙合全過程的數值模擬提供了完整的方法。
  13. The geochemical examination of the sandstones and mudstones from the xikang group has led us to conclude that the debris are derived mostly from the surficial rocks and their overlying deposits on the xikang - yunnan ancient land, and tectonic settings display the transition from the passive continental margin to active continental margin and finally to archipelago

    通過對西康群砂、泥巖地球化學組成特徵研究,認為其物源來自康滇古陸表殼巖及其上覆的蓋層沉積,大地構造屬性為被動大陸到活動大陸再到多島的轉化。
  14. The welding position can be detected accurately through processing the image of arc area collected by the vision sensor ccd ( charge coupled device ), by the system of image collection and computer - ware, we can recognize the position of the welding line exactly, count out the warp between moving track of robot and the welding line. so we can control the robot ' s act real - timely, the seam tracking accuracy is enhanced efficiently

    重點論述焊縫圖像分割和提取的理論方法,焊縫圖像由面陣ccd攝像系統攝取,通過圖像採集系統和計算機軟體,對檢測到的焊區圖像進行處理來準確地識別焊縫位置,計算機器人的運動軌跡和實際焊縫之間的偏差,據此控制機器人運動進行實時跟蹤,從而有效地提高焊縫跟蹤精度。
  15. Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track

    本文首先介紹了計算機圖形圖像技術的發展與應用情況,對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論:然後對圖像增強處理的目的和方法進行了介紹,對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明,並對實物圖像的處理結果進行了分析與比較;接下來介紹了數學形態學方法、對增強后的圖像進行檢測的方法和圖像的特徵描述方法,並獲取輪廓的特徵點:隨后對獲取的特徵點進行坐標變換,並進行b樣條曲線擬合,引入相關條件生成齒輪副的嚙合線及嚙合軌跡:最後引入等值線和區域填充表示方法,並以等值線和區域填充的形式對齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。
  16. 3 ) the method of geometrical and mechanical analysis is represented on the tooth edge contact in the gears transmission

    3 )提出了齒錐齒輪傳動中接觸中的集合分析與力學分析方法。
  17. The lower paleozoic strata in the south kunlun massif are kulafuhe group of cambbrian - ordovician. they consists of metamorphic detrital rocks, limestone, magnetite - bearing basalt, quartzite ( meta - silicalite ), which suggests that they might form at active continent margin. the geochemical characteristics of volcanic and detrital rocks do indicate that they might form at an active marginal environment such as island arc etc. associated with the qimanyuter ophiolite suit, there are lots of early paleozoic granitic plutons

    在昆南地塊上的早古生代地層為寒武?奧陶系庫拉甫河巖群,由變碎屑巖、灰巖、含磁鐵礦玄武巖、石英巖(變硅質巖)等組成,顯示其比昆北地塊有較大的活動性,火山巖和碎屑巖的巖石地球化學特徵也反映為島及活動環境。
  18. In the wafer notch detecting part, edge flexion method is adopted to find the notch range, then calculating the notch center by means of arc fitting

    缺口檢測先採用變化率演算法查找缺口范圍,再通過圓擬合的方法求出缺口中心位置。
  19. Some conventional detection operators are analysed in detail, such as roberts operator, sobel operator and laplacian operator, and also apply this operators to the arc image to test their detection results. but these conventional detection operators have a common shortcoming : they are too simple

    主要的研究工作包括以下幾個方面:對一些傳統的檢測運算元,如: roberts運算元、 sobel運算元、拉普拉斯運算元等等進行了原理分析,並將這些運算元應用於電圖像,測試其檢測的效果。
  20. The handle must be symmetrical and centered on the blade, with even radii on sides and end, clean fit on all matching surfaces with no checks or splits around the pins

    刀柄必須以刀為中心對稱,和尾端有平滑的度,匹配面干凈,鉚釘處無開裂、阻礙。
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