拋射體 的英文怎麼說

中文拼音 [pāoshètǐ]
拋射體 英文
missile
  • 拋 : 動詞1. （扔; 投擲） throw; toss; fling 2. （丟下; 拋棄） leave behind; cast aside; abandon
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 體 : 體構詞成分。
  • 拋射 : cast拋射機 flinger; 拋射體 [物理學] projectile; missile
  1. Because of its extensive application and underdeveloped research level in our country, this paper establish the numerical model of blank cartridge ejecting device, the whole process from blank cartridge burning to eject missile is analyzed by classic interior ballistic theory and gas dynamics. several simulation examples are given, and the effect of different parameter structure on ejecting device is discussed

    鑒于這類系統在我國的廣泛應用與相對滯后的研究水平，本文針對三種類型五種型號的掛彈鉤建立了拋放彈彈射機構的數學物理計算模型，用經典內彈道和氣體動力學理論分析了火藥彈燃燒到彈射活塞完全推離懸掛物的整個過程。
  2. Ceo22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of car ' s waste gases, chemical decolorant of glass, radiation - resisting glass permanent magnet, electronic ceramics etc. if it is processed into nanoparticles, it will exhibit some novel properties led to varied applications. for example, ceo22 nanocrystal is a better promoter of cytochrome c and the stabilizer of zro22 ceramics. because of its high index of refraction and good stability, it is used to produce reduced reflection film

    Ceo _ 2是一種廉價而用途極廣的材料，如用於發光材料、拋光劑、紫外吸收材料、汽車尾氣凈化催化劑、玻璃的化學退色劑、耐輻射玻璃、永磁體、電子陶瓷等，其納米化后將出現一些新的性質及應用，如ceoz納米晶是細胞色素c的良好的催進劑，還用作zro :陶瓷的穩定劑，由於ceo :折射率高，穩定性好，常用於制備減反射膜等。
  3. We've noted that this is just like a body projected horizontally in the earth's gravitational field.

    我們注意到，這個問題同在地球重力場中水平拋射一個球體十分相象。
  4. The vertical and horizontal motions of a projectile can be treated independently.

    拋射體的豎直方向和水平方向的運動能夠分開來處理。
  5. Zheng, h. n., zhang, b. and wang, s., 1995, a mechanism for the formation of plasmoid - type cme in the solar corona, acta astron. sinica, 36, 341

    鄭惠南，張兵，王水， 1995 ，等離子體團型日冕物質拋射的形成機制，天文學報， 36 ， 341
  6. At what precise moment will the moon be in the most favourable position to be reached by the projectile ?

    月球在什麼時候出現在拋射體最容易擊中的位置上？
  7. Projectiles became more important because cannons could now fire balls over hundreds or yards.

    拋射體變得更加重要，因為人們已能用大炮把炮彈射到幾百碼的距離之外。
  8. After being oriented, cutted and polished, the grown crystals was processed into a series of wafers

    將晶體進行定向、切割和拋光，加工成晶片，測定了稀土離子的分凝系數、晶體的晶胞參數和折射率。
  9. 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。
  10. In order to solve the problem of deviation of suitable angle andthe practice of shot put, the author analyzes the function relation between performance and the maximum projectile range, draws the best result theorem that is new optimum angle formula and sign - line parameter

    為了解決鉛球適宜投出角度公式與實踐偏離的問題，分析了鉛球成績與拋體最大射程的函數關系，得出了最大成績定理、 「新」最佳投出角度公式和最佳出手角度標志線參數式。
  11. 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。
  12. 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。
  13. Other eyewitnesses depose that they - observed an incandescent object of enormous proportions hurtling through the atmosphere at a terrifying velocity in a trajectory directed south west by west

    其他目擊者還作證說，他們瞥見一顆發白熱光的龐然大物，以駭人的速度沿著拋射體的軌道朝西南偏西方向騰空而去。
  14. Dem l71 presents a textbook example of the double - shock structure expected to develop when a star explodes and ejects matter at high speeds into the surrounding interstellar gas

    Dem l71是雙激波結構的標準範例，人們認為其產生於恆星爆發並以高速向周圍星際氣體拋射物質的時候。
  15. Sunspots are islands of intense magnetic bundles punching through the solar surface. the magnetic bundles constantly interact with each other and sometimes create unstable configurations that then lead to eruptions in the form of flares and plasma ejection

    其實黑子是磁纜貫穿太陽表面的地方，這些磁纜會互相影響，有時會出現不穩定的排列，引發耀斑和等離子體拋射等表面爆發。
  16. The theory of parabolic equation ( pe ) was presented, and was applied to the scattering analysis of two dimensional perfectly electric conducting objects

    摘要對拋物線方程演算法的基本原理進行了詳細論述，並將其運用到二維導體目標的電磁散射特性分析中。
  17. 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。
  18. After the process of matter ejection stellar body will continue collapsing into black hole if the mass of the nuclear - energy - exhausted star is more than 3 mq

    星體經過物質拋射后，核能耗盡的恆星質量超過3m _ ，則此星體將繼續坍縮成黑洞。
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