脈線 的英文怎麼說

中文拼音 [màixiàn]
脈線 英文
streak line
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. Leaves tufted ; stipes 15 - 30 cm long, densely scaly at base, glabrous above ; sterile lamina about 60 cm long and 20 cm wide, simply pinnate ; pinnae numerous, alternate or subopposite, linear - lanceolate, the largest about 12 cm long and 1 cm wide, base cordate, apex acuminate, margin finely toothed ; veins close, forking once or twice and forming areoles near the midrib ; fertile lamina similar to sterile ones, but somewhat reduced, about 8 cm long and 0. 4 cm wide, lower surface almost entirely covered with sporangia

    葉簇生;葉柄長15 - 30厘米,基部密被鱗片,向上近光滑;不育葉片長約60厘米,寬20厘米,一回羽狀;羽片多數,互生或近對生,狀披針形,最長者長達12厘米,寬約1厘米,頂端長漸尖,基部心形,邊緣有細密鋸齒;葉1 - 2次分叉,近中形成網眼;能育葉與不育葉相似,但較小,長約8厘米,寬約0 . 4厘米,下部滿布孢子囊。
  2. Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively, quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made, and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry. it is found that the accretion of modem yellow river delta is becoming less and less, what ' s more, erosion is even more than alluvion in some recent years. diaokou promontory has been eroded seriously since yellow river changed its course in1976

    以一般高潮反映現代黃河三角洲沖淤演變時,從1976年黃河改道清水溝流路入海到2000年,整個黃洞三角洲凈造陸201 . 5km ~ 2 ,淤積有逐漸變慢的趨勢,甚至出現凈蝕退的年份;刁口河嘴大量蝕退,蝕退速率開始快速,后來逐漸變慢;清水溝河嘴大量淤積,淤積速率開始迅速,后來逐漸變慢,甚至出現凈蝕退;清水溝河嘴南側到支溝一段岸與刁口河嘴以西到灣灣溝一段岸基本穩定。
  3. This paper describes an automatic contest robot from the cctv holding “ the first robot tv contest all over the academician ”, describes the function and the realization of the robot in greater detail. the robot adopts two stepper motors in the stepped driving control system and putting - ball control system like fishing, with the control of at89c52 single - chip microcomputer, it can synchronously produce driving pulse for two stepper motors and control the moving of the robot along the predetermined line

    該競賽機器人採用步進電機作為行走驅動,釣魚桿式的放球控制系統,在at89c52單片機的控制下,分別為左、右步進電機產生沖,控制機器人按照預設的固定路行走,待機器人到達預定的目標位置后,同時控制多個放球機構,從而能分別將賽球準確地放入到比賽圓筒中。
  4. Almost the pulsing of the town ' s heart could be felt as the work went forward night and day, pumping the materials of war up the railway arteries to the two battle fronts

    這個城鎮像心臟一樣,日夜兼程把戰爭物質沿動似的鐵路向兩個戰輸送;其心跳幾乎都能感覺到。
  5. Bing high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasama calefaction, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. prof. liu shenggang began the research on electron cyclotron maser, and later, the group leaded by prof. li hongfu has done much research work on gyrotron also, and later, they have began the research on a kind of gyrotron amplifier - - - - - - gyroklystron

    迴旋塞器件? ?迴旋管作為大功率毫米波源,在等離子體加熱、性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景,因此受到了國際上的廣泛重視,特別是近三十年來,迴旋管得到了快速的發展,並成為了研究的熱門方向。
  6. But there has been not correspondingly control system for it by far. ln this thesis a pulse nitrogenous conveying control system based on profibus is designed and achieved on the thinking of modularizing the pulse nitrogenous conveying system, which can be used for different the pulse nitrogenous conveying system and added new control cells. the thesis reviewed systematically the pulse nitrogenous conveying system in practical, and makes the understanding that the system is composed of standard gas storage cell, conveying equipment cell and target container ceil. then a common modularized control system project is designed and achieved by structurized programming orienting process, which consists of four control models, respectively for gas storage cell, for conveying equipment cell and for target container cell

    本文綜合實際使用的氮保護沖氣力輸送系統,把氮保護沖氣力輸送系統分為標準化的氣源設備單元、發送設備單元和目的料倉設備單元,在此基礎上,設計了用於氮保護沖氣力輸送系統的通用模塊化控制方案,採用面向過程的結構化編程思想,基於profibus現場總,實現了組成該方案的四類控制模塊:氣源單元控制模塊、發送單元控制模塊、目的料倉單元控制模塊和通訊處理控制模塊。
  7. A current pulse is sent through the coil.

    有一電流沖送入圈。
  8. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來源於輸出流量動,造成輸出流量動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流,在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲,本文以截流作用和液體的可壓縮性為理論依據,以matlab語言為工具,對原配流盤上的v型尖槽進行了理論計算,繪制出p - t圖,分析了它的不足,並對原有v型尖槽進行了優化設計,得出了v型尖槽的最佳幾何尺寸:配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ,槽長5mm ,槽的橫截面為等邊三角形。
  9. The continental divide refers to an imaginary line in the north american rockies that divides the waters flowingsintosthe atlantic ocean from those flowingsintosthe pacific

    大陸分水嶺是指北美洛磯山上的一道想象,該把大西洋流域和太平洋流域區分開來。
  10. The continental divide refers to an imaginary line in the north american rockies that divides the waters flowing into the atlantic ocean from those flowing into the pacific

    大陸分水嶺是指北美洛磯山上的一道想象,該把大西洋流域和太平洋流域區分開來。
  11. The rate at which pulses can be sent and received on copper wires is called frequency.

    沖通過銅送出和接收的速度稱為頻率。
  12. No mountains infringe on the curve.

    沒有高大的山去破壞大地美麗的屈
  13. At eleven in the morning the train had reached the dividing ridge of the waters at bridger pass, seven thousand five hundred and twenty - four feet above the level of the sea, one of the highest points attained by the track in crossing the rocky mountains

    上午十一點鐘,火車到了距離太平洋和大西洋一樣遠近的地點,也就是到了布里基爾關,這里的地勢海拔七千五百二十四英尺。在穿越洛磯山的這段鐵路上,這里是地勢最高的幾個山崗之一。
  14. The residence time of distribution and froth height in the downcomer were measured. the tracer used was 10 wt % sodium chloride solution. the residence time of distribution curves in a downcomer were measured by using the tracer technique

    所用示蹤劑是10 (質量百分比)的nacl溶液, rtd曲採用了沖響應技術來測量,用計算機實時採集系統對數據進行採集。
  15. Optimization of drive pulse configuration for transient ne - like fe x - ray laser

    激光抽運沖結構的優化計算
  16. Ecotone between agriculture and animal husbandry distributes along altiplano and mountain chain in china

    表現出集中分佈的特徵。主要分佈於我國的高原與山沿
  17. Based on the theory of pulse compression, the essentiality of lfm signal is discussed

    首先介紹了性調頻信號沖壓縮的實現方法。
  18. A discussion on the relation between high sound - conducting state of meridian courses and the histological structure of fascia

    脈線高導聲狀態與筋膜組織結構關系的探討
  19. Establishing the model of regional cerebral ishemia and reperfusion using thread embolizing and fastening of the ica

    頸內動脈線栓與環扎建立大鼠局灶腦缺血再灌模型
  20. Should circumferential pulmonary vein ablation be performed in all kinds of af patients

    30各種af病人均行環肺靜脈線性消融?
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