線與 的英文怎麼說

中文拼音 [xiàn]
線與 英文
wired and
  • : 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. 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脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸基本穩定。
  2. It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust

    研究表明:野外地面射能譜測量主要研究地殼巖石土壤中產生的能量約為30kev 3000kev的射,這裡面包含著鈾、釷、鉀等天然放射性核素信息,核工程活動產生的大量人工放射性核素信息以及射線與地殼相互作用產生的相關信息。
  3. According to the application background and the dismatch between single antenna and differential lna, an active balun is needed and has been designed. then we put forward a design scheme that does co - simulation of an active balun and a differential lna on one chip together. at 2. 45ghz, this lna provides a forward gain of 28. 931db with a noise figure of 2. 485db, while drawing 19. 1ma from a 1. 8v supply

    從本設計的應用背景出發,考慮到單端天線與差分lna之間的不匹配性,設計了一個介於兩者之間的有源平衡轉換電路? balun ( balance - unbalunce ) ,並提出了將這個balun電路前面設計的差分lna作為一個整體進行了模擬的設計方案。
  4. We compare the approximation of an analytic function f by its taylor polynomial and its poisson partial sum with the same number of terms and illustrate that for functions with limit zero at infinity and for bounded functions the poisson expansion provides a better approximation to the function than the taylor expansion

    在第三章中,介紹了rb曲線與poisson曲的概念以及基本的幾何性質,指出了poisson基函數有理bernstein基函數之間存在的關系,並且將解析函數的taylor逼近poisson逼近進行比較。實例表明,對于在無窮遠處極限為0的函數以及有界函數, poisson逼近比taylor逼近效果要好。
  5. Brainpower transmitter with 16bits computer 420ma, hart consultative ds, long - distance control support to upgrade

    支持向現場總線與基於現場控制的技術的升級
  6. 3 years in online and offline marketing, campaign management, media buying, and resource and budget planning in china

    三年以上的在華在線與非在市場營銷、媒體購買以及資源和預算規劃經驗
  7. Study on the curves and cambers in garment cad and its applicability

    中的曲線與曲面及其適用性研究
  8. Either of two corresponding parallels of celestial latitude that are the limits of the apparent northern and southern passages of the sun

    (天球的)回歸代表太陽經過的最北視界線與最南視界的兩條相應的天球緯
  9. Any outgoing ray path must be coincident with that of the returning ray.

    任何出發的射線與返回的射路徑完全相同。
  10. These manifolds are connected to the vacuum system through air take - off lines in order to remove the non - condensable gases from the condenser

    這些集管通過空氣管線與抽真空系統相連,以便從空冷凝汽器內抽走不可冷凝的氣體。
  11. A family of parallel lines cut the conic.

    有一組平行線與圓錐曲相交。
  12. Consider a family of parallel lines that cut the conic.

    設有一組平行線與圓錐曲相交。
  13. A strongly placed natal vertex ( conjunct the horizon, in close aspect to a personal planet, in a critical degree or in the degree of the nodes ) can indicate more consistent results

    宿命點強有力的位置(合地平本命行星合相,或者緊張相位,或者月交點合相,最能發揮作用。
  14. The first part is introduction, presenting this paper ' s structure, research background and so on ; the second part introduces some issues relating closely to risk, the tangency point between indifference utility curve and efficient frontier is the optimal portfolio ; the third part explores risk evaluation, this part begins with some risk factors affecting security ' s price and return, then analyzes the methods evaluating degree of risk, finally, introduces a more popular method of risk evaluation - - var ; the forth part expounds risk management, this part studies some risk control strategies correspond to specific risk mentioned above ; the last part put forward some advice contrapose issues existed in risk management in china

    第一部分為緒論,介紹本文的相關背景;第二部分是風險相關的幾個問題,等效用曲線與有效邊界的切點是投資者選擇的最佳投資組合;第三部分是風險衡量,該部分首先分析了證券股票所面臨的風險,然後對債券和股票分別介紹,最後介紹了目前比較流行的風險衡量方法? ? var方法;第四部分為企業風險管理,這里針對上文所述的風險提出相應的風險控制策略;第五部分針對目前我國風險管理中存在的問題提出了幾點建議。
  15. Non - round curve fitting and tabulated curve fitting

    非圓曲線與列表曲的擬合
  16. The one - half wavelength out of phase caused by the specimen itself enables this light to cause destructive interference with the direct light when both arrive at the intermediate image plane at the diaphragm of the eyepiece

    這種由標本產生的半個波長的相位差的光線與直射光同時到達位於目鏡光欄的中間像面時會產生相消的干涉。
  17. The dispersion model, with axial dispersion only was used to describe the liquid flow in the downcomer. the model parameters were fitted by the least - squares method. it was found that the curve of dispersion model fitted the experimental rtd curve well

    本文利用一維軸向擴散模型對降液管中液體流動進行了數學描述,用時間域最小二乘法擬合了模型參數,模型方程所作曲線與rtd曲吻合較好。
  18. Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed

    發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連,採集模擬量、頻率量及離散量信號等參數,並對採集的數據進行運算、比較處理,最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。
  19. In accordance with the " beijing cbd integrated planning program ", the core area of cbd is situated on the northeast corner of the intersection between the extension line of chang - an avenue and the east third ring road, which covers a land of 30 hectares and enjoys a superior geographic position

    一、核心區項目根據《北京商務中心區規劃綜合方案》 , cbd核心區位於長安街延長線與東三環交叉「金十字」的東北角,佔地約30公頃,地理位置極為優越。
  20. Connect the floppy disk ribbon cable and power cable

    連接軟驅的排線與電源
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