零差 的英文怎麼說
中文拼音 [língchā]
零差
英文
homodyne-
Nicolas : yes, the balance of trade in the computer parts industry
是的。計算機零部件的進出口差額。The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed
因此,本論文重點對大口徑光學系統在高精度光學鏡頭裝校中,因重力變形進行了詳細的分析研究,特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析,使用algor有限元分析軟體獲得了大量的面形誤差分析數據,然後將這些數據繪成曲線進行對比分析,最後提出了減小重力變形的措施與方案,並進行了實驗,驗證了分析結果是正確的,減小重力變形的方法是有效的。I recalled, too, the night in the middle of the thousand and one nights when queen scheherezade, through a magical mistake on the part of her copyist, started to tell the story of the thousand and one nights, with the risk of again arriving at the night upon which she will relate it, and thus on to infinity
我還想起一千零一夜正中間的那一夜,山魯佐德王后(由於抄寫員神秘的疏忽)開始一字不差地敘說一千零一夜的故事,這一來有可能又回到她講述的那一夜,從而變得無休無止。Cordierite is a kind of superior heat - resistant material melting point can achieve 1400, and its thermal expansion coefficient is close to zero
Cordierite是一種優越的耐熱材料(熔點達1400 )其熱膨脹系數接近於零,因此,可忍受急劇之溫差。Introduces a flexible method of calculating that can magnify the too small tolerance and improve the economic benefit of machining parts through counterchanging the roles of close loop and component loop in dimension chain
為此,介紹一種變通演算法,變換尺寸鏈中封閉環和組成環的角色,將過小的公差放大,從而可提高零件加工的經濟性。Till now, our retailing companies have been improved greatly. but facing furious competition of foreign retailing magnates, chinese retailing industry has obvious disparity, such as lower industry concentrating level, smaller corporation size, lower technical content, behindhand marketing concept. so they desiderate to enhance corporations " core competence
隨著wto后零售業的全面對外開放,與外資零售巨頭相比,我國零售業存在著產業集中度低、企業規模小、科技含量低,營銷理念滯后等明顯差距,迫切呼喚先進的營銷理念和經營手段來縮小差距,提高企業市場競爭力。The ultrastructure of the hepatocyte in bufo bufo gargarizans cantor between pro - hibernation and initial post - hi be rnation was studied in this paper. the results show that : 1. the hepatocytes in pro - hibernation period have very plenty of glycogen granules, but nearly not glycog en granules in post - hibernation period ; 2. the hepatocytes in pro - hibernation peri od have very developed rough endoplasmic reticulum, but a few scattered dilatant rough endoplasmic reticula in post - hibernation period ; 3. the quantity of mitocho ndria, and the structure of nuclei and bile canaliculi in pro - hibernation period have not obvious difference from that in post - hibernation period ; 4. two types o f hepatocytes in pro - hibernation were found. the significance of the results men tioned above is also discussed
冬眠前和出眠初期的中華大蟾蜍肝細胞的超微結構有如下特點: ( 1 )冬眠前肝細胞堆積有大量糖元顆粒,而出眠初期幾乎無糖元顆粒; ( 2 )冬眠前肝細胞的粗面內質網非常發達,而出眠初期的粗面內質網不發達,常呈零散膨大; ( 3 )線粒體的數量,細胞核和膽小管的形態結構在這兩個時期無明顯差異; ( 4 )冬眠前肝細胞可分為兩種不同的類型.對上述結果的生理意義作了討論First senator. indeed, they are disproportion ' d ; my letters say a hundred and seven galleys
元老甲它們真是參差不一;我的信上說是共有船隻一百零七艘。Partial wavelet coefficients ca n ' t be set zero when the threshold is undersize so parts of noises are retained and some useful signals will be taked off when the threshold is iusto major so parts of useful signals are lost. these cases result in dissatisfactory denoising
如果閾值選取過小,那麼有一部分的噪聲小波系數將不能被置零,從而在去噪后的信號中保留了部分噪聲信息,使去噪的效果變差。If there were no drift or diurnal change, the differences would add up to zero around the loop.
如果沒有漂移或日變,這些差值相加后必等於零。This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology
該多功能激光光電實驗系統以泰曼-格林干涉( twyman - green )光路作核心,包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度零差干涉儀位移測量方法,同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f空間濾波系統也組合進去。Aspect the evaluation in the now available expressway construction project management is chiefly concentrated at economy with the technology, and to manages the twist hempen thread imitates that the research which appraised chiefly includes in effect which inspected and control evaluation and the construction course the evaluation of some one quotas, the unified evaluation system of not formation ; the twist hempen thread effect assessment method is managed to the now available project item, and stopping certain tier face in the item construction mostly, assessment method adaptability is wrong, and lacks the synthetical evaluation to the scattered assessment method of selection submitted a tender such as beckoning and so on
現有高速公路建設項目管理中的評價主要集中在經濟和技術方面,而對管理績效評價的研究主要包括監理的效果評價和施工過程中的一些單指標的評價,沒有形成統一的評價體系;現有的工程項目管理績效評價方法,諸如招投標的選擇之類的零散評價方法,大多停留在項目施工的某一層面,評價方法適應性差,缺少綜合評價。本文通過對現有高速公路建設項目管理評價體系存在問題的分析,結合高速公路建設項目管理的特點,構建了高速公路建設項目管理績效評價內容、指標體系,運用模糊評價法、專家評價法、熵評價法等對高速公路建設工程項目管理績效做出了綜合評價。Most laser ultrasonic nondestructive testing systems are based on the heterodyne principle, but the laser ultrasonic nondestructive testing system which is based on the homodyne principle
而且目前所研製的激光超聲無損檢測系統基本上採用外差干涉的方式,而零差干涉方式國內尚未見到有相關報道,這屬于論文的主要創新點。The channel capacity achieved in our experiments was better than that of the dual homodyne coherent state, homodyne coherent state and squeezed state communication when the average photon number exceed 0. 99, 1. 11 and 2. 06 respectively. it is more interesting that we found in the experiment, that the maximum channel capacity for a single mode - fock state communication can be surpassed with our system when the average photon number exceed 11. 302
我們實驗所得密集編碼的通道容量在光子數大於0 . 99 、 1 . 11及2 . 06時將分別超過相干態雙零差通訊通道容量、相干態零差通訊的通道容量以及壓縮態零差通訊的通道容量;最重要的是,當平均光子數(In recent years, more and more chinese retailers wake up to the strategic position of logistics. in this article, i take a successful case of huapu hypermarket
在零售業物流領域,我國與發達國家相比,不論在資金、技術方面還是在知識和觀念上都有著較大差距。Loss per share the calculation of basic loss per share for the year is based on the following data : 2003 2002 hk 000 hk 000 loss loss for the year used in the calculation of basic loss per share 27, 282 20, 852 shares weighted average number of shares in issue for the purpose of calculation of basic loss per share 240, 000, 000 237, 589, 041 no diluted loss per share are shown because the potential ordinary shares issuable under the companys share option scheme have no dilute effect
Ii中國附屬公司累計之未動用稅項虧損約為16 , 936 , 000港元二零零二年: 11 , 051 , 000港元,有關虧損將于有關虧損年度起計五年後屆滿。香港附屬公司累計之未動用稅項虧損37 , 147 , 000港元二零零二年: 22 , 442 , 000港元可無限期結轉。 iii由於應課稅暫時性差距並不重大,因此未作確認。It is one of the pivotal factors to measure and control the geometrical size, shape error and positional error in order to ensure the device quality. so the online measurement of their geometrical size and shape error and positional error is the problem to be solved
大型工件幾何尺寸、形位誤差的測量和控制,是保證整套設備質量的關鍵因素之一,因而,大型零部件及組裝件的整體幾何參數和形位誤差的測量、零部件加工的在線測量,就成為急需解決的問題之一。The verify experiment proves that its ratio and phase characteristics are much better than ordinary ones and the precision is enough for measure use. zero - flux current transformer can ’ t obtain absolute zero flux because residuary flux, so when the secondary turns is too small it will not satisfying. to improve the precision further, proposes a method to compensate zero - flux current transformer using capacitance parallel connected coil and deduces it
為了進一步抵消剩餘磁通,提高互感器的精度,提出了一種並聯電容線圈補償零磁通的方法,並進行了理論推導,設計了基於該方法的100匝電流互感器,通過校驗證明它可以改善零磁通電流互感器的比差和角差特性,提高互感器的精度,將電流互感器的二次匝數由普通互感器的幾千匝降到了100匝,提高了測量微小電流的能力。This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to
本文共分為五章:第一章緒論中,介紹了常見的位移傳感器,指出了霍爾傳感器的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數常用的補償方法和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的測量原理,系統的實現方法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展方向。Zero - difference detection
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