焦點軸 的英文怎麼說
中文拼音 [jiāodiǎnzhóu]
焦點軸
英文
focal axis- 焦 : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 軸 : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
- 焦點 : 1 [數學] [物理學] (二次曲線焦點; 主焦點) focal point; focus 2 (問題的關鍵所在或爭論的集中點) ...
-
The mirror of an astronomical telescope forms at its focal point an image of a star on the axis of the mirror.
天文望遠鏡把在鏡軸上的星體成象在焦點上。( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given
論文主要包括三個方面: ( 1 )分析了凹面反射的焦散現象,給出了不同凹面反射的焦散圖; ( 2 )分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹面反射波動場焦散區奇性主要有折疊( fold )和尖點( cusp )兩種的結論,利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式,並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果; ( 3 )分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹面反射波動場焦散區奇性主要有折疊( fom 、尖點kusp和燕尾k )三種的結論,提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法,並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。To deal with the case of 2 dimension spatial self - focusing, it predicts the catastrophic collapse of a self - focusing beam in a kerr medium. this un - physical collapse is due to the invalidity of the paraxial wave equation in the neighborhood of a self - focus
在該理論應用於空間二維的自聚焦時,出現了光束將無限聚焦的結果,這在物理上是不可想像的,原因是在自聚焦點附近傍軸方程已經失效了。The amplitude values at a certain moment in a seismic record received at a shotpoint and a detection point might come from reflections of various points on an underground ellipsoid, which has the shotpoint and the detection point as its focuses, and the connected line of the shotpoint point and the detection point as its major axis
摘要一個炮點和一個檢波點接收的一道地震記錄上某一時刻振幅值,它可能來自地下一個橢圓面上各個點的反射,該橢圓面以炮點和檢波點為焦點,炮點和檢波點的連線為長軸。The work of the adjustment mechanism is a project which is supported by the state committee of " 863 ". three design mechanisms are proposed, bearing and screw style, movable bearing style mechanism and assembly style mechanism. it is difficult for the precision of the mechanism made of movable bearing to meet the requirements of the design because the bearing must be made individually
空間太陽望遠鏡成像鏡調焦機構的設計是在國家「 863 」高科技課題中展開的,本文有創建性的工作是根據設計要求提出了三種機構設計形式,包括直線軸承式、移動滾珠式和裝配直線軸承式,比較了三種機構各自的優缺點,並根據其中的一種加工製作了實際模型。You have to do the measurings only when both the digital comparator and the axis in measure focus bar are perfectly steady and exactly in the same points
你不得不做測量,當數字比較器和軸的聚焦條在同一點是確定的、穩定的。With the focus bar at most, go on the most left point of the digital comparator and now stop the spindle rotation ; the focus bar has to be completely lightened and has not to switch on or off segments
當聚焦條出現了絕大部分時,繼續向左移動數字比較器顯示值停止,停止主軸的旋轉;聚焦條完全的點亮並顯示在屏幕,並且中間沒有分割點。A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented
摘要通過數值計算發現:將拋物線繞通過焦點的非拋物線對稱軸旋轉而形成的賦形拋物面天線可產生環狀的方向圖主瓣(此主瓣指的是主瓣最大值處) 。With the bar at most and the red indicator on zero, in total absence of movements : read the quote
聚焦條大多在紅色指示器在零點時,停止移動軸,讀出數值。Single mode optical fiber laser confocal scanning microscopy is a new technology in microstructure studying. the speciality of the system is limiting the out - of - focus light reflected from out - of - focus plane in object to restrict the blur of image. therefore, the plane resolution and axial resolution of the system could be improved to sub - micron grade
單模光纖激光共焦掃描顯微成像系統是研究微觀結構的一種新技術,其本質是抑制目標物體離焦面所反射的光線進入系統,從而抑制這些離焦光線造成像點彌散斑增大的影響,使系統的橫向與軸向解析度得到大幅度的提高,能實現亞微米級的層析。Guizhou the south of guizhou province slip bearing co., ltd. insist " the customer s concern is a focus " all the time, it is the base of enterprise s development, and the source power of enterprise s development to follow to talents
貴州黔南滑動軸承有限責任公司始終堅持「顧客的關注為焦點」 ,奉行人才是企業發展的根本,是企業發展的源動力。Masayuki ochiai, who understands clearly his own strengths, sacrifices the opportunity to build up a story with intricate web or chains of characters, but rather spends most of his time rendering and refining his scenes, making them as captivating and unforgettable as possible
不過好在編導的焦點也不是志在解謎。影片的架構不是像同系列的《預言》一樣,依靠謎團牽引著故事的軸心主線。所以當謎團不能解開時,觀眾便難以投入。The whole - body gamma knife system is a kind of non - invasive medical instrument by using co - 60 as the gamma ray source. according to geometrically focusing theory, the gamma knife system can precisely focus in spirals 30 beams of gamma rays from different directions to a target through a collimator. by the collimator s direction, the predetermined lesion will be under radiation in heavy dose and subsequently be destroyed completely
體部伽瑪刀是利用能產生伽瑪射線的鈷60作為放射源,根據幾何聚焦原理,將30束伽瑪射線從不同方向和位置通過準直后經一個固定的軸旋轉聚焦到焦點,形成品質優良的劑量區,將腫瘤組織置於該高劑量區中,即可在預定時間內將病變組織摧毀,體表和焦點以外的正常組織僅受到瞬時照射而基本上不受損傷。Together with the tourism development planned in lantau, a tourism axis can be formed to enhance our attractiveness as a tourism node
連同在大嶼山規劃的旅遊發展,可形成一條旅遊軸線,增加香港作為旅遊焦點的吸引力。分享友人