拋物面拋物體 的英文怎麼說

中文拼音 [pāowùmiànpāowùtǐ]
拋物面拋物體 英文
paraholoid
  • 拋 : 動詞1. （扔; 投擲） throw; toss; fling 2. （丟下; 拋棄） leave behind; cast aside; abandon
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 體 : 體構詞成分。
  • 物體 : [物理學] body; substance; object
  1. Another aspect to consider is the fate of an abandoned delta lobe after the sediment supply had moved elsewhere.

    要考慮的另一方面是沉積物源被移到別處之後被拋棄的三角洲朵體的命運。
  2. The combination of fdtd method with physical optics is also used to analyze paraboloidal reflector antenna in millimeter band. using fdtd method, we obtains precise near fields of the feed because the computing areas include all the feed structure. the current on the paraboloidal reflector can be calculated by using physical optics, and then the far field of reflector can be calculated

    在毫米波拋物面天線的分析計算中，把fdtd與物理光學法結合起來， fdtd用於具有精細結構的饋源及饋電波導一體計算，得到饋源的幅度和相位方向圖，以此為依據調整饋源結構，使饋源的幅度和相位方向圖為最佳狀態。
  3. At last, the surface of the alumina femoral head was grade - polished with sic micropowder and diamond grinding cream, the join part was trimmed with specific instrument, which made the surface of the alumina femoral head reach the degree of approximating mirror finish and match the femoral stem well. the artificial partial hip joint prostheses was finally got by articulating the alumina femoral head with ti alloy femoral stem coated with bioactive coating

    最後，採用sic超細粉和金剛石研磨膏對氧化鋁陶瓷股骨頭表面進行分級拋光，用專用器械修整其聯接部位，得到表面具有近似鏡面光潔度並與股骨柄配合良好的氧化鋁陶瓷股骨頭，並與表面塗覆生物活性塗層的鈦合金股骨柄配伍，最終獲得人工半髖關節假體。
  4. The design of amorphous photonic material and photonic crystal devicements we design to make a reflecting mirror of cylinder paraboloid of an antenna by using amorphous photonic materials. we calculated the transmission of the mirror and the distribution of electric field by using multiple scattering method. the result shows that it can be used as a reflecting mirror of an antenna

    非晶光子材料和光子晶體器件的設計提出了用介質圓柱光子晶體作微波天線的柱拋物面反射鏡，用多重散射方法計算了反射鏡的透過譜，並模擬計算了天線的電場分佈，初步認為可以用非晶光子材料作微波天線的反射鏡。
  5. This paper proposed a hexahedral deployable space antenna, which is composed of hexahedral modules

    結構的具體設計和幾何關系計算是拋物面天線設計的一個重點和難點。
  6. Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm

    本文首先詳細的敘述了天線結構的各組成單元，闡明了天線反射拋物面的形成原理；然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析模型，分析計算了各種情況下天線的的固有頻率與振型；最後依據天線各指標的重要性，建立了以一階固有頻率最大、質量最小為目標的天線結構多目標優化設計模型，並基於神經網路和遺傳演算法，結合正交實驗和變加權系數技術，形成了一種有效的多目標優化演算法，在matlab平臺下實現了天線的結構多目標優化設計計算程序，求得了天線的最佳結構參數。
  7. After the comparing the simulation results with the theoretic results under the three followed condition : a point light source on the parabola reflector focus, a point light on the ellipsoid reflector focus and a point light source before the parabola reflector focus, a conclusion is gotten that the two results are generally accordant, the accuracy of the simulation software reach the engineering requirements and the computational simulation software of photometric characteristics of headlamp of motor vehicles can guide the design of the headlamp reflectors

    比較了點光源位於拋物面反射器和橢球面反射器焦點的情況和點光源偏離拋物面焦點的情況下照度的理論計算結果和採用本文的照度模擬計算結果，其模擬計算結果和理論計算結果基本相符，能滿足工程上的要求，說明模擬計算軟體對前照燈的反射鏡的設計具有很好的指導意義。
  8. Moreover, we ' d like to study the blow - up speed of solution, since there are many results about blow - up speed obtained in elliptic equations, hyperbolic equations but not in schrodinger equations. i ' ve looked through the latest 3 years " " chinese mathematical digest " and " mathematics review " and found there ' s no paper which is mostly concerned at the study of blow - up speed of nls although in some references there are some related results implied in them

    另外，就是想研究解的爆破速度，因為關于解的爆破速度這方面的內容在拋物型方程、雙曲型方程等中都有討論，但筆者查閱了近三年的《中國數學文摘》和《 mathematicsreview 》沒有發現以具體研究nls爆破速度為核心的文章，盡管在其它一些文獻中有一些隱性的結論，所以這是一個較好的課題。
  9. Speed glaze is a cleaner / polish that also contains a unique paintable polymer that will extend the durability of the product while offering protection to the finish closer to that of a real wax or paint protectant

    快速上釉是清潔/拋光蠟，它也包含一個獨物的漆面聚合體，當進行漆面護理時即打蠟時，它可增加產品的持久性。
  10. Die casting factories need to consider problems in vario us aspects, including not only melting, die casting, cleaning, aging treatment, shot bla st, die, inspection, but also general layout of factories involving logistics, w ater, electricity, fuel, raw materials, purchase, stock and transporation

    壓鑄生產廠需要考慮的問題是多方面的，不僅有熔化、壓鑄、清理、時效、拋丸、模具、鑄件檢驗等工序，還有工廠的總體布局，牽扯到物流、水、電、燃料及原料的采購、倉儲和運輸等因素。
  11. In this paper, we use method of array signal processing, analyze the continuous aperture antenna, modify the parabolic antenna to a new antenna system that possess the functional of the searching and tracking

    利用陣列信號處理方法，對連續口徑天線進行分析，將拋物面天線改進成為一種集搜索、跟蹤於一體的新型天線。
  12. The study results obtained by afm suggest that the flow pattern defects were revealed as having wedge shape and there were small octahedron voids surrounded by { 111 } which were the same as cops and lstds planes were observed at the tips of flow pattern defects

    用原子力顯微鏡對fpds結構的研究結果表明， fpds缺陷形如拋物線，並且在其端部存在有和cops 、 lstds缺陷相同的由{ 111 }面構成的八面體空洞。
  13. The distance from figure center of the parabola to the potential slide surface is less than half of the section length. mechanical conditions of this method include not only force equilibrium but also moment equilibrium. as for the beam - on - foundation, its pressure can be calculated by homogeneous hypothesis or winkler foundation hypothesis or infinite half elastic foundation hypothesis on the pulling anchor - cable step and by coulomb active earth pressure theory approximatively on the long term working step

    對于樁在滑面以上段所受的坡體荷載，提出可按形心偏下的拋物線型分佈模式計算，並在滿足力的平衡條件的同時還滿足力矩平衡條件；對于地樑上作用的坡體荷載，提出在錨索張拉階段可按均布或溫克爾（ winkler ）地基假定或彈性半無限體地基假定來計算，在工作階段則一般可以近似按庫侖主動土壓力理論計算。
  14. With the rapid social development, the traditional reflector is out of date due to its ponderous and bulky shortcomings in modern communication

    由於現代社會對通訊系統靈活機動的要求，傳統的拋物面反射天線笨重、體積龐大的劣勢已經日益顯現。
  15. Another unique characteristic attributed to the microscopic size of the fibers in a microfiber polishing cloth is the ability for these miniature fibers to get into small microscopic surface imperfections and remove liquid and semi - liquid films like polish and wax

    另外一個獨有的特性歸因於它的纖維的超微性，這些超微性纖維可以去除表面上的細小灰塵、液體、半液狀像拋光蠟一樣狀態的污物。
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