橢圓形鏡 的英文怎麼說
中文拼音 [tuǒyuánxíngjìng]
橢圓形鏡
英文
oval shape mirror-
Sealed from water and dust, and employing an optics system consisting of two oval - shaped mirrors to transmit the sight picture to the firer, the oavd is designed to be intuitive to use and more accurate than electronic systems
離軸式觀察裝置經過密封能防水、防塵,是具有兩個橢圓形反射鏡組成的光學系統,觀察目標更為直觀,與電子系統相比也更為準確。A theoretical and experimental study of a new, efficient technique to couple a laser, emitting a highly elliptical beam, to a single - mode fiber without the use of bulk optical components is presented. the technique involves butt coupling the laser to a cylindrical lensed fiber and spherical lensed fiber
本文從理論上和實驗上呈現了一個實用的耦合技術,即在沒有使用分立球形光學元件的情況下將高度橢圓化的激光光束通過透鏡光纖耦合到單模光纖中。Gasket mainly includes rubber asbestos gasket, metal winding gasket, metal ? coated gasket, graphite compound gasket, ptfe gasket, tooth - type gasket, lens gasket, octagon gasket as well as ellipse gasket
密封件主要有金屬纏繞墊、金屬包墊、高強石墨復合墊、聚四氟乙烯包覆墊、齒形墊、透鏡墊、金屬環墊、八角墊、橢圓墊、橡膠石棉墊及填料墊。The related physical equations ( yang - laplace equation and hagen - poiseuille equation ) were re - derived for different pore shapes. and the effect of using different pore model such as circle, elliptical and slit pore model to determine pore size and its distribution was investigated
計算結果表明當假設孔為橢圓形時,液體置換法表徵得到的結果與掃描電鏡、比重法分析得到的實驗結果比較吻合,也可以較好地反映孔的實際形態結構。The outline of fiber ' s tip has very great influence on the coupling efficiency. it is reported, using the way of grinding and melting to form a microlens on the fiber ' s tip, can increase fiber ' s numerical aperture, reduce the ellipticity of laser, and improve coupling efficiency
光纖端面的形狀對耦合效率有很大的影響,有文獻報道,採用拋磨燒熔等加工方法,可在光纖端面形成一個微透鏡,增大光纖的數值孔徑,對入射激光進行橢圓度校正,從而提高耦合效率。The sign shows an excellent picture that the sun shines above on the waveness lake surface “ fishing under the setting sun " symbolizing elegant and free culture ; perspective effect of english font is like a fish, s and g are fused together with outline of ellipse, which represent philosophic theory of circulation and vigor of life ; the right and left strokes is like a young fry or water wave, which shows character of product
標志突出一種意境,陽光投射在平靜的湖面, 「夕陽鏡中閑垂釣」 ? ?一種高雅休閑的品牌文化;英文字體的透視效果猶如魚形, s , g的筆畫與橢圓外形巧妙融合,一種循環衍生的哲理;左右兩筆點綴,似波紋又似戲水的魚苗,生動了整個畫面,也進一步點明了產品特性。Hubble space telescope image ? shows m87 [ lower right ] a giant elliptical galaxy. elliptical galaxies do not take on the flat - disk or spiral shapes that most galaxies do
哈勃望遠鏡拍攝下來的圖象: m87一個巨大的橢圓星系。橢圓星系並不具有大多數星系具有的扁圓或是螺旋型的形狀。A hubble space telescope image ? shows m87 [ lower right ] a giant elliptical galaxy. elliptical galaxies do not take on the flat - disk or spiral shapes that most galaxies do
哈勃望遠鏡拍攝下來的圖象: m87一個巨大的橢圓星系。橢圓星系並不具有大多數星系具有的扁圓或是螺旋型的形狀。The elliptical secondary should appear round and well centered in the circular opening of the sight tube
橢圓形的副鏡應看上去邊緣是圓的,在光管開口處呈現環狀。分享友人