實超球面 的英文怎麼說
中文拼音 [shíchāoqiúmiàn]
實超球面
英文
real hypersphere- 實 : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
- 超 : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
- 球 : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
- 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...
- 球面 : spherical surface; sphere球面艙壁 spherical bulkhead; 球面車床 spherical turning lathe; 球面反射...
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Looking from the basketball development throughout the world at present, the importance of height in matches are widely studied along with the development in basketball technics and taltics the countries all ouer the wored are selecting and training tall barketball is now in the tendency of a new leap, marking the breaking of the mechanical division if tabour and the all - round gualitits of antagonism. superb and all - round skills are being mastered toy individual basketball players
從當前國際籃球發展的情況來看,隨著籃球技術、戰術的發展,國際籃球運動廣泛的研究身高在比賽中的重要性,世界各國都在精選和培養高大隊員,從而提高全隊的平均身高;國際籃球正在實現一種新的飛躍趨勢,日益表現出籃球對抗的全面性,機械的分工已經打破,高超全面的技術正在為籃球運動員個人所掌握。A related set of " quantum gravity " theories postulates the existence of parallel universes - some perhaps mutant versions of our own, like " bizarro world " in the old superman comics - existing beyond the borders of our little cosmos. " infinite earths in parallel universes really exist, " the normally sober scientific american once hyperventilated on its cover
一些相關的「量子重力」理論設定存在多個平行的宇宙,其中一些,就像老版超人喜劇中的那個「伊扎爾世界」 ,是我們這個宇宙的變異,它們存在於我們小小宇宙的邊緣之外,正常而清醒的《科學美國人》雜志有一次在封面上用粗體字醒目地寫著: 「無限個地球真實地存在於多個平行的宇宙間。 」Synchronized motion of the the fast tool servo, workpiece and the diamond tool produces ultra - precision axisymmetric aspheric mirrors
快速伺服機構、工件以及金剛石刀具的同時運動,可以實現軸對稱非球面的超精密加工。Bearings roller bearings and other components. bearing ring precision rolling production line ; a high - precision, super efficient grinding automatic production line ; bearing assembly line ; signal processing equipment ; blank processing equipment ; crowning roller grinder ; end - grinder ; coordinate precision grinder ;, cylindrical grinder ; surface grinder ; spherical roller processing equipment ; raceway grinder ; heat treatment ; needle processing equipment ; polishing processing equipment ; roller - seiki ; rolling auto - sorting machine parts bearing hardness sorting machine bearing cleaning equipment ; contact angle measuring instrument ; contour meter ; bearing life experimental device ; bearing packaging equipment ; roundness instrument ; dynamic vibration noise analyzer ; noise vibration test equipment ; printing machine measuring instrument ; roughness tester ; scanning electron microscope ; finish detector ; inverter ; spindle, wheel, whetstone and other grinding materials
軸承套圈精密輾擴生產線高精高效磨超自動生產線軸承自動裝配線球加工設備毛坯加工設備凸度滾子磨床雙端面磨床高精度坐標磨床內外圓磨床平面磨床球面滾子加工設備溝道磨床熱處理生產滾針加工設備光飾加工設備滾道超精機滾動體自動分選機軸承零件硬度選別機軸承清洗設備角接觸測量儀輪廓測量儀軸承壽命實驗裝置軸承包裝設備圓度儀振動噪音動態分析儀振動噪音測試裝置印字機加工測量儀粗糙度測試儀掃描電子顯微鏡光潔度檢測儀變頻器電主軸砂輪油石和其他研磨材料Sustainable consumption is a kind of consumption that follows economic rules, social rules and nature rules in the global environment and the carrying capacity of resources to achieve economic growth, social progress, and optimizes interests of consumers themselves, other people and future generations to meet material, spiritual, ecological needs of consumers. this requests consumption mode is scientific, healthy, civilized, saving resources and protecting environment, but the group consumption and the citizen consumption have many phenomena which disobey with it. all these phenomena are summarized as follows : waste existing among administrative consumption and duty consumption, the straight consumption, material consumption and spirit consumption uncoordinated, postponed consumption, advanced consumption and human consumption
可持續消費是一種遵循經濟規律、社會規律和自然規律,在全球環境和資源的承載能力下實現經濟增長、社會進步、最優化消費者本人和當代其他人以及後代人利益,能滿足人類的物質、精神、生態需要的消費,這要求消費方式是科學的、健康的、文明的、節約資源和保護環境的,但是當前的集團消費和居民消費中存在許多與之相悖的現象,本文將這些現象歸納為:集團消費中的政務和職務消費中的浪費,居民消費中的直線型消費、物質消費和精神消費的不協調、延期消費、超前消費以及人情消費中的浪費資源、污染環境、破壞社會風氣、不利於人的全面發展和影響有效需求擴大等方面。This article discussed the relationship between the diameter of ball head and wear of polyethylene, the experimental results of reducing the dislocation rate with larger ball head and the preliminary clinical consequence of hip arthroplasty using larger head
作者對有關這方面的最近研究進展進行了綜述,重點綜述、討論了球頭直徑與超高分子量聚乙烯磨損的關系、大直徑球頭減少人工髖關節脫位的實驗結果及大直徑球頭在人工關節外科的初步應用。This paper first researched the general situation of domestic and abroad developments in the field of ultra - precision aspheric surface machining technology and its numerical control system, analyzed the aspheric surface machining principle of ultra - precision machine, and in these bases, founded the kinematics model of ultra - precision machine in ideal condition using the homogeneous coordinate conversion method in robotics
分析了本實驗室超精密機床非球面加工原理,在此基礎上應用機器人學中齊次坐標變換的方法建立了理想情況下超精密機床運動學模型,通過綜合分析超精密機床的運動誤差,給出了超精密機床的誤差補償模型。Most current algorithms only work well in special conditions, because of the abnormity of signals in the real world. now, the research in the ica arises much passion and the ica has brought about many applications. the primary results the writer has got are as the following : after a whiting process, it is a key to find an orthogonal matrix to throw away the high - order redundant information between components
由於現實生活中信號十分不規則,目前提出的演算法大多隻能針對某類信號分離,鑒于目前在ica方面極大的研究熱情和強大的背景支持,作者對ica離線演算法做了一定研究,主要內容和工作包括如下: ica問題經過白化處理后,尋找去除高階相關的正交矩陣成為問題關鍵,而正交矩陣具有特殊的空間結構,組成它的每個列向量可視作rn中單位超球表面上一點,當這些點彼此垂直時,整體就組成一個正交矩陣。In addition, the finite element method ( fem ) was introduced, and we verified above formulas by this method. another important work of this paper is to discuss the principle of choosing the best fitting sphere for ultra thin mirrors
本文的另一主要內容是討論了選擇超薄鏡最接近球面的原則,分析了以非球面變化梯度法作為選擇原則的原因,並根據實例給出了計算結果。The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed
根據這一設想,本文建立了超薄鏡的數學模型?薄殼,並提出了強制力作用下超薄鏡的簡化模型?曲梁,推導了曲梁在簡支情況下受力變形的撓度公式,並結合一個實例,計算出曲梁變形后與所需非球面的面形殘差( rms )在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍,分析了弧矢方向的rms ,得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。With china entry into wto and knowledge economies " coming, economy tend toward globalization and integration gradually, yuxi hongta group, as the biggest and the most influence strength cigarette factory in china, hold the first well - known brand - hongtashan, must improve hongta group core competition capacity. how to achieve the strategy object which systematic engineer is of improve quality and three institutional reform as breakthrough entry to finally realize superego, keep ahead in science and technology, care selves and set up brilliant achievement again ? and how to promote core competition capacity of hongta group through making use of our company current advantages
隨著我國加入wto及知識經濟的到來,全球經濟日趨全球化、一體化,作為中國煙草企業的排頭兵、擁有中國第一品牌「紅塔山」的玉溪紅塔集團,如何實現柳萬東懂事長、姚慶艷總裁、馬曙勛副總裁等集團領導提出的「以主業為主,全面提升紅塔集團的核心競爭力」的工作思路,以「提質創新」 、 「三項制度改革」為突破口的系統工程,最終實現「超越自我,科技領先,關愛健康,再創輝煌。 」Many of the lenses incorporate the latest advances in optical technology, and feature high - quality aspherical elements and ad ( anomalous dispersion ) glass for superior sharpness, contrast, and color fidelity
大部份的konicaminolta鏡頭均結合了最先進的光學技術,以及具有高質素非球面及超低色散( ad )鏡片,為您提供一流的銳利度、對比度及色彩真實度。Normal behavior and anomaly are distinguished on the basis of observed datum such as network flows and audit records of host. when a training sample set is unlabelled and unbalanced, attack detection is treated as outlier detection or density estimation of samples and one - class svm of hypersphere can be utilized to solve it. when a training sample set is labelled and unbalanced so that the class with small size will reach a much high error rate of classification, a weighted svm algorithm, i
針對訓練樣本是未標定的不均衡數據集的情況,把攻擊檢測問題視為一個孤立點發現或樣本密度估計問題,採用了超球面上的one - classsvm演算法來處理這類問題;針對有標定的不均衡數據集對于數目較少的那類樣本分類錯誤率較高的情況,引入了加權svm演算法-雙v - svm演算法來進行異常檢測;進一步,基於1998darpa入侵檢測評估數據源,把兩分類svm演算法推廣至多分類svm演算法,並做了多分類svm演算法性能比較實驗。In the second part, we investigate the compact submanifolds m with the parallel isoperimetric section in the real space forms rm ( c ) and prove that if there exists a parallel isoperimetric section on m, and the sectional curvature of m is always greater than zero, then m is contained in a hyper - sphere ; and get that the gauss curvature of the compact surfaces m with constant mean curvature in constant curvature space r4 ( c ) is always greater than zero, then m is a totally geodesic surface or a sphere, where an isoperimetric on m means a unit normal vector field defined globally on m with m1 ( ) = constant
( 2 )研究了實空間形式r ~ m ( c )中具有平行等參截面的緊致子流形m ,證明了具有一平行等參截面的子流形m ,如果m的截面曲率恆正,則m包含在r ~ m ( c )的一個超球面內;對于常曲率空間及r ~ 4 ( c )中具有常平均曲率的緊致曲面m ,如果m的高斯曲率處處大於零,則m或為r ~ m ( c )中的全測地曲面或為一球面。這里m上的等參截面是m上整體定義的單位法向量場,使得m關於它的平均曲率m _ 1 ( )是常數。The tribological characteristics of ultrafine ws2 powders added in engine oil have been investigated by four - ball machine test, and compared with chloroparaffins ( t302 ) and molybdenum disulphide ( mos2 ), and meanwhile we have analyzed the tribochemical species of the worn surface by means of x - ray photoelectron spectroscope ( xps ), to research the lubricating mechanism of ws2
摘要採用四球摩擦實驗機對二硫化鎢超細粉末在發動機油中的摩擦學性能進行了研究,並與添加劑氯化石蠟和二硫化鉬進行了比較,同時用x射線光電子能譜儀對磨痕表面元素進行分析,以探討二硫化鎢的潤滑機理。In a world where more than half a million women die in pregnancy and childbirth every year and where nearly 11 million children each year do not survive beyond their fifth birthday, these stories aim to raise awareness of the challenges we face as a global community in improving maternal and newborn health
全世界目前每年有超過五十萬婦女死於分娩,每年有四百萬新生兒存活不到一個月,這些記實資料旨在提高我們作為全球社會對改善孕產婦和新生兒健康方面所面臨挑戰的認識。This subject aims to develop a relative self - contained numerical control system of large - scale aspheric optical parts ultra - precision machining device, in order to realize the low cost and high efficiency of aspheric surface machining and content the needs of accuracy and surface roughness
本課題旨在設計一種比較完善的大型非球面光學零件超精密加工裝置的數控系統,以實現光學非球面加工的低成本、高效率,並能滿足加工精度和表面質量的要求。Magnetorheological finishing ( mrf ) is a newly developed optical machining method, which can achieve fine - finished optical apparatus efficiently. combining with electro - magnetics, hydrodynamics and chemistry, mrf has been applied in optical machining. plane surface, sphere and asphere made of different optical materials can be machined
它將電磁學、流變學、化學綜合作用於光學加工中,可以實現對光學器件的高效精密拋光,是獲得超光滑光學表面的理想工藝之一,目前已經被應用於對平面、球面、非球面的超精密加工,可加工材料范圍涵蓋了光學玻璃、微晶玻璃、光學晶體等多數光學材料。Magnetorheological dressing ( mrf ) is a new developed ultra - precision process abroad for optical aspheric surface which can fine finish optical facilities efficiently, it integrate electromagnetic, hydrodynamic and chemistry in optical facilities process
磁流變拋光是國外近年來新興的一種光學非球面超精密加工方法,而超聲輔助磁流變拋光是在其基礎上派生出來的新型拋光方法,它將電磁學、流變學、化學綜合作用於光學加工中,可以實現對光學器件的高精密拋光。Calculation of sound pressure distribution of sphere focusing supersonic field and its measuring experiment
球面聚焦超聲場計算與測量實驗分享友人