線狀脈 的英文怎麼說

中文拼音 [xiànzhuàngmài]
線狀脈 英文
linear 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...
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • : 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
  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;羽片多數,互生或近對生,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. We use bezier curves to describe the shape of leaf midrib and embed the image of leaf into the space of local frames along the midrib curve

    植物葉面的造型採用bezier參數曲描述葉子中的形,然後將葉子的紋理圖象嵌入到葉的局部標架中。
  3. As for the leaves, we use bezier curves to describe shape of leaf midrib. the texture image of leaf is embedded into the space of local frames along the midrib curve

    對于葉片的生成,本文採用bezier參數曲描述葉子中的形,把樹葉或草葉構成的星形結構紋理圖象嵌入到葉參數曲的局部標架中來實現。
  4. In this paper, the radiolocation technique and principium of ofdm in the cell - communication system were introduced firstly, and sensitivity of ofdm system to synchronization was analyzed. then, two methods of timing synchronization based on the cyclic prefix and pilot sequence were introduced, and a novel timing synchronization method based on pilot sequence was presented, which provided a correlation peak with pulse shape

    由於ofdm系統中的定時同步要求和無定位中的測時測距在本質上是一致的,所以本文緊接著分析了基於循環前綴和導頻序列的兩種定時同步方法,並提出了一種新的基於導頻序列的具有沖形相關峰的定時同步方法。
  5. In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa

    本文設計出三種樣品預構件,研究沖大電流加熱條件下片材料、材料和球形顆粒之間的原子擴散過程,弄清沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別,以證實特殊的電場和磁場是否對原子的擴散有推動作用,揭示沖大電流加熱條件下原子的擴散過程,探索沖大電流熱加工技術快速高效的原因。
  6. A discussion on the relation between high sound - conducting state of meridian courses and the histological structure of fascia

    高導聲態與筋膜組織結構關系的探討
  7. In the fifth chapter, the salt culture tourism resources are analyzed, which form the city ’ s spirit and special culture atmosphere. at last, the author puts forward a integrated scheme for zigong city ’ s tourism development, including scenic spots, image design and so on

    第四章以時間索為軸,結合自貢市城市幾個不同階段的鹽業發展況,比較自貢市清代鹽業鼎盛時期的鹽井和鹽區分布圖與現在自貢市市區分布圖,對城市進行文分析,找出城市發展絡,指導城市井鹽文化旅遊開發。
  8. The spooky blue interior glow is emitted by high - energy electrons accelerated by the crab ' s central pulsar

    鬼魅的藍色內部光是由被蟹星雲中心沖星加速了的高能量電子發出的。
  9. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的沖信號鑒相和計數、信號處理部分的態控制以及和pci總晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。
  10. In the united states, there are wide plains and high mountains, thousands of lakes and rivers of all sizes, cool forests and hot deserts, and a coastline several thousand miles long

    美國有廣袤的平原、高大的山、數以千計形各異的江河湖泊、涼爽的森林、炎熱的沙漠,以及長達數千英里的海岸
  11. In the united states, there are wide plains and high mountains, thousands of lakes and rivers of all sizes, cool forests and hot deserts, and a coastline several thousands miles long

    美國有寬廣的平原、高大的山、數以千計形各異的江河湖泊,涼爽的森林、炎熱的沙漠,以及長達數千英里的海岸
  12. In the section 2, firstly based on the diffusion approximation theory, the temporal characteristics of the reflectance and the transmittance were theoretically analyzed in turbid tissues ; secondly, the curves were simulated that the intensity and the pulse shape of the time resolved reflectance and transmittance versus the absorption a, the scattering s and the anisotropy coefficient g in two different boundary conditions : semi - infinite turbid media and homogeneous slab ; at last, the optical properties can be derived from the curves ; in the section 3, the conditions of ultra short laser pulses of different pulse - width and shapes has been theoretical analyzed and calculated, besides, the simulated the curves of the intensity and pulse shapes of the reflectance and transmittance in a homogeneous slab are obtained for use and future studying

    第二章中首先根據漫射近似理論對超短沖在以生物組織為典型的混濁介質中傳輸進行了理論分析,然後對兩種邊界條件下產生的漫反射、漫透射光沖強度和形隨各光學特性參數的變化情況進行了數值模擬,最後得到了混濁介質的光學特性參數與漫反射、透射沖強度與形的關系曲。第三章對不同形寬的沖光源入射到混濁介質中產生的漫反射、漫透射沖的強度和形進行了理論分析和數值模擬,並將高斯沖與方波沖情況進行了對比,得到了各種情況的漫反射、漫透射沖強度、形與各光學特性參數的關系曲,這對從分析沖形中提取介質的光學特性參數的信息有重要的意義。
  13. The various medium parameters have different influence on the reflection of the laser pulse. based on the diffusion approximation theory, the boundary condition of semi - infinite homogeneous media, the influence of the absorption a, the scattering s and the anisotropy coefficient g on the ultra short laser pulse of different pulse - width and shapes has been researched

    論文對超短沖在混濁介質中的傳輸進行了理論分析和數值模擬,並在不同寬的高斯沖和方波沖入射到混濁介質的漫反射、漫透射沖強度和形進行了理論分析和數值模擬,得到了它們與各光學特性參數的關系曲
  14. In this paper, radiation hydrodynamics model is used to study the interaction between short pulse intense laser and plane au target, which includes laser ' s propagation and absorption in plasma, x - ray emission, plasma development and its thermodynamic state

    本文用非平衡的輻射流體力學模型系統地研究了短沖強激光與平面金靶相互作用的物理過程,包括激光在等離子體中的傳播和吸收, x -射的發射,等離子體的流體力學發展和熱力學態等。
  15. The reflected wave will be received by the receive antenna and transferred to digital data. we can analyze the data that saved by the computer of gpr to deduce the medium ' s property, situation, location and so on. being a kind of nondestructive, untouched method, it has many advantages such as nondestructive, rapidness, simpleness and high precision, so it will have wide applications in the ways of examination, control and maintenance to road quality, especially for highway

    路用探地雷達是近幾年發展起來的、應用於公路無損檢測的一項新技術,它利用超寬帶沖電磁波對路面結構層進行探測,當雷達發射天發射的電磁波在路面結構層中傳播時會在介電特性突變處產生反射和透射,反射回來的波經由接收天接收並轉化為數字信號儲存起來,通過分析探地雷達回波信號來估計路面結構層的性質、態和位置等特徵。
  16. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力的角度直觀地描述了沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天上電荷是如何被加速以及如何維持其運動態的,指出了開放空間中突然出現的時變電場(位移電流)是沖電磁波輻射的根本原因.文中還對局部電阻加載的天和局部彎曲的天進行了研究,以進一步說明上述觀點.對多種情況下的沖輻射過程進行了數值模擬,並給出了電場的等高和空間波形圖,這些圖形對理解沖電磁波的輻射機理非常有益
  17. A sufficient condition of quadratic stability for the impulsive and switched systems is given with a switching law by way of convex combination and single lyapunov function

    在有限個備選態反饋控制器的條件下,利用凸組合技術和李雅普諾夫函數等方法,給出沖切換性廣義系統二次穩定的充分條件及切換律的設計。
  18. But to this algorithm, it is important to select initial value and the amount of computation is large ; ( 3 ) an algorithm is presented to estimate the prfs based on stochastic dynamic - linear models. ( 4 ) a new algorithm for selecting detecting threshold based on the wavelet theory is presented to the environment when pulse sequences distribute unevenly in the whole sampling time

    該演算法的不足是對初始態的選取非常重要且運算量較大; ( 3 )提出基於動態性模型利用prf進行重頻分選的演算法; ( 4 )將小波理論應用到重頻分選中,提出了一種新的檢測門限,適用於沖列分佈不均勻的信號環境。
  19. In this dissertation, we study some stability properties for two impulsive differential systems employing lyapunov ' s second method : one system is impulsive hybrid differential system : the other is differertial system with impulses at variable time : herein these stability results do not require a lyapunov function to have a negative definite first derivative along trajectories of the system, further we may not require its derivative to restrict the function increasing growth ; and we do not give conditions on continuous portion or discrete portion of the systems respective ! } ", hence we can give mixing conditions on them

    在這篇碩士學位論文中,我們主要藉助lyapunov第二方法的思想,討論了兩類沖微分系統:沖混合微分系統和具有依賴于沖的微分系統的穩定性問題。不同於以往的研究,本文所找的lyapunov函數沿系統軌的一階導數不再局限於常負或定負,甚至不用其導數來限制其增長速度;不再局限於對離散或連續部分分別設置條件,而是對其離散和連續部分設置混合條件。
  20. At the lower end of the esophagus ( which has been turned inside out at autopsy ) are linear dark blue submucosal dilated veins known as varices

    食管下末段(屍解時已經把食管從裏面翻出來)排列著深蘭色的黏膜下層較寬的紋理稱為靜曲張。
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