拋射點 的英文怎麼說
中文拼音 [pāoshèdiǎn]
拋射點
英文
projection-
This paper introduces the styles, functions and current research of aeronautic missile ejecting device. the structure, principle of blank cartridge ejecting device and its differentia are discussed in detail
本文介紹了機載導彈發射裝置的類型、功能與研究發展趨勢，詳細論述了拋放彈彈射系統的結構、原理以及與其它類型系統的異同點。A parabolic concave mirror can converge parallel light rays to its focus, and also collimate light rays that pass through its focus
拋物面凹鏡會把平行而來的光線聚集在一點焦點，亦會把源自焦點的光線平行向外反射。While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed
在系統實現過程中，課題首先從天線、陣列天線，以及電磁場計算方法的基本理論著手，分析了天線與拋物面天線的各項性能參數，以及天線的口面場和近-遠區輻射場的特點和計算;進而，更加深入的討論和研究影響天線陣列合成場強的各項因素，包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。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。After the first stage burns out, it falls back to earth along a parabolic path, while the engines of the second stage fire to thrust the rocket into an earth orbit
當第一級燒毀后，沿拋物線的軌道落到地球，而第二級的發動機點火把火箭發射到地球軌道。We are a large - scale manufacture of polished porcelain tiles. our annual output reachs 5, 000, 000 square meters. our quality management system has been recongnized by iso9002, the world - wide standard system and product anti - radiation safety respectively have beed passed by our national standard gb6566 and thier certificates are granted
短短數年間，浩宏在通過iso9001 ： 2000質量認證后，於2003年再次獲得德國權威機構tuv公司的質量認證，並被國家建築材料工業局核定為「建築用瓷質拋光磚系列產品定點科技開發生產基地，通過國家建材放射性檢測認證，屬a類標準其產銷與使用范圍不受限制。Through the new example of its applications, merits of dimethyl ether used as a new aerosol propellant were demonstrated
通過幾種新型應用實例，論證了二甲醚作為拋射劑的優點。The seismic wave madding by the detonating seismic hammer have higher frequency and remedy the disadvantage of the lower energy utilization of the concentrating energy source
爆炸地震錘由爆炸射流拋射錘頭撞擊地層，激發地震波具有較高的頻率，同時彌補了聚能震源彈能量利用率不高的缺點。分享友人