精密的正確的 的英文怎麼說
中文拼音 [jīngmìdezhēngquède]
精密的正確的
英文
exact- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 密 : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
- 的 : 4次方是 The fourth power of 2 is direction
- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 確 : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
- 精密 : precise; precision; accurate
- 正確 : exactness; correct; right; proper; rightness; rectitude; validity
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The main evidence for the validity of nucleation theory rests on its ability to predict closely the critical supersaturation for most liquids in cloud chamber experiments.
成核理論正確性的主要證據在於它能在雲室實驗中精密地預測多數液體的臨界過飽和度。Its aim is to train students to grasp activities of knowledge, which can become active experiences of obtaining scientific knowledge, practical training course of scientific methods and skills, and while students being promoted in perceiving, make them learn how to share and cooperate with others
旨在使學生掌握科學知識的活動,成為獲得科學過程的積極體驗、科學方法與技能的實踐訓練過程。在促進學生認知發展的同時,學會與人分享及密切合作、培養正確的科學態度和科學精神。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。With the experiment part, the errors of sk - 21 nc machine tool have been measured, and a serial of data is gotten which lead to the error discrimination. ( 3 ) based on the kinematical theory of mbs, the calculation methods for the ideal center envelop curve of grinding wheel on cam grinding, the practical cutter track, inverse contour of cam, ideal nc instructions, precision nc instructions, the inner / outer normal and the fitting criterion of curve have been all discussed in detail in this paper
( 3 )通過精密加工的約束條件方程,探討理想刀具路線、逆變數控指令與實際刀具軌跡之間的映射關系,解決誤差補償技術提高加工精度的核心問題? ?當要求數控磨床的砂輪中心準確到達給定的理想點時,精密數控指令值究竟該是多少,如何能夠通過計算,獲得這樣的數控指令值,給出經修正的數控指令計算方法。Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays
二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型,為小范圍的單頻用戶服務;研究如何實時分離gps觀測中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監測隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。In the process of investigation and practice of exploration project, qinghai oilfield company insists closely aiming at the exploration targets, paying much attention to prophase preparation and exploration benefit, resolves the problems such as project goal being not clear and not careful management, increases thy geophysical exploration load and strengthening the explored well location argumentation white project arranging and implementing, introduces and applies in time some available technique and method to ensure the effect of exploration, and as a result, a passel of litho - stratigraphic traps such as the southeastern slope of gasi, qigequan and hongliuquan have been discovered
摘要青海油田在勘探項目管理的探索與實踐中,按照「緊密圍繞勘探目標、注重前期準備、注重勘探效益」的工作思路,糾正了項目目標不明確、管理不精細的問題,在項目部署和實施上加大了物探工作量和探井井位論證的力度,及時引進和推廣應用了適用的勘探技術、方法,保證了勘探效果,發現了尕斯東南斜坡、七個泉、紅柳泉等一批巖性地層圈閉。Consequently martensite will form in the welds and heat affected zone ( haz ) requiring proper and precise pwht procedures
因此在焊接部位和熱影響區域( haz )形成馬氏體就需要正確的精密的pwht工序。As a mature technology for its static and accurate positioning, is widely used in the fields of geoscience study, geoid survey and other survey applications, which has brought about a new revolution for the methods and ways of survey. the digital photogrammetry can effectively reduce the work of the field survey and alleviate the labor intensity. its output results, such as digital ground model and digital products, can be widely used for engineering construction ; the outlook of its application has a bright future
Gps靜態精密定位作為一種成熟技術已廣泛應用於地球科學研究、大地測量等各個測繪應用領域,給測量手段和方式帶來了一場新的革命;數字攝影測量技術可以有效減少野外測量的工作量,減輕勞動強度,其輸出成果數字地面模型及其數字化產品,與工程建設結合最為緊密,應用前景非常廣闊;遙感地質技術可為公路規劃和設計從宏觀上提供準確可靠的工程地質資料; cad作為一種可以極大地提高設計效率的有效手段已經被廣泛採用,目前正朝著可視化、動態化、三維化方向發展。Machining experiments are finished on a mini precision machining cutter, in the process the nc codes can be used and the cutter radius compensation algorithm of five - axis linked nc machining cutter is turned to be correct
在小型精密數控機床上進行了加工實驗,驗證數控代碼的可行性及五軸聯動數控機床刀具補償演算法的正確性Accuracy trueness and precision of measurement methods and results part 1 : general principles and definitions
測量方法與結果的準確度正確度與精密度第1部分:總則與定義Accuracy trueness and precision of measurement methods and results - part 2 : basic method for the determination of repeatability and reproducibility of a standard measurement method
測量方法與結果的準確度正確度與精密度第2部分:確定標準測量方法重復性與再現性的基本方法Measurement and characterization of surface texture is an important aspect of precision metrology. historically this has involved partitioning a profile into different wavelength regimes referred to as roughness, waviness and form followed by numerical quantization. parameters computed are then inspected for tolerance compliance to ensure a part performs its intended function. this approach is satisfactory when the specification has been carefully determined and the process is stable. however, when the manufacturing process is under development or when instability or modifications to the process invalidate specifications, there is a need to study surface finish parameters in relation to functional performance or process measures. in this context, the problem of surface texture classification and recognition are discussed. advanced techniques developed for this purpose along with applications are presented. also, the techniques discussed here will be useful across large bandwidth, from the characterization of nano scale to traditional micro scale surfaces
表面結構的測量與特徵描述是精密計量技術的一個重要方面,傳統上包括將輪廓情況根據不同的波長范圍劃分為粗糙度、波紋度和形狀及后續的數字量化.按算得的參數檢查它是否為公差允許,以保證零件執行其指定的功能.當技術特性已經經過仔細確定,並且其過程穩定時,該方法是令人滿意的;但是,當製造過程正在進行中或過程的不穩定、過程變化使技術特性失效時,就需要研究和功能表現及過程評定相關的表面參數.討論了表面結構的分類與識別問題.同時闡述了為此目的而開發的先進技術及其應用.所研究的技術對從納米尺度到傳統的微米尺度的較大帶寬范圍內的表面特徵描述都是有效的With the development of microelectronic products ( integrated circuit, printed circuit board, etc ) directing to high density, thin separation and low defect ratio, its inspection requirement is higher on aspects of precision, efficiency, universal, and intelligence etc. therefore, this paper researched on the general key techniques in the field of microelectronic products vision inspection, covered the shortage of traditional inspection on aspects of fast and precision locating, image mosaic, and fine defect test, completed theory study on physical dimension and defect inspection of microelectronic products based on machine vision, developed the prototype and used lots of experiments to prove its correctness and feasibility
隨著微電子產品(集成電路晶元、印刷電路板等)向著高密度、細間距和低缺陷方向發展,對其檢測技術在精密、高效、通用和智能化等方面提出了更高要求。由此,本文對微電子產品視覺檢測中的關鍵技術進行研究,彌補了傳統檢測在精確快速定位、圖像全景組合和精細缺陷檢測等方面的不足,最終完成基於機器視覺的微電子產品外形尺寸和缺陷檢測的理論研究和樣機研製,並進行了大量實驗證明其正確性和可行性,力圖為我國自主創新的微電子產品視覺檢測技術提供理論和實際借鑒。Abstract : technology dimensions of work parts always exceed the determined technology dimension limits. but when the work parts are big enough, it is still possible and valuable to modify the work parts " following technology process and technology dimensions, which are respectively called as dynamic technology process ( dtp ) and dynamic technology dimension ( dtd ), to ensure them to be qualified. a mathematical model is proposed which is about how to plan the dtd once the dtp is determined. a software has been written to testify the correctness of the above model. this model will be very useful in the capp and online quality assurance in the manufacturing of precise machine parts
文摘:工件的工藝尺寸在工藝過程中經常會超出許可的范圍,但當這些超差工件仍有足夠的加工余量時,通過修改其後續工藝路線(稱為動態工藝路線)及工藝尺寸(稱為動態工藝尺寸)仍有可能將其加工成成品.本文提出了一種在後續工藝路線確定后如何確定后續工藝尺寸的數學模型,並利用該模型成功地編制出了動態工藝尺寸設計的軟體,且用很多事例驗證了該模型的正確性.該方法可以應用於精密機械零件製造時的計算機輔助工藝過程設計及在線質量保證Accurate control of compression through close tolerances of gasket groove and allowance for radial expansion
通過密封環槽的精密公差和徑向膨脹的修正來進行壓縮的精確調整控制。Most of my readers are aware that the second act of parisina opens with the celebrated and effective duet in which parisina, while sleeping, betrays to azzo the secret of her love for ugo
大多數讀者都知道,巴黎茜娜第二幕開場的時候,正是那一段精采動人的二重唱,巴黎茜娜在睡夢中向亞佐泄漏了她愛烏哥的秘密,那傷心的丈夫表現出種種嫉妒的姿態,直到確信其事。The dimensional globoidal indexing cam mechanism, as a result of the steady movement, accurate, the transmission ceaseless and is suitable for high speed indexing and precise indexing. now it is the most ideal high speed precision indexing mechanism in the world, and it is being widely applied on each kind of automaton and the production line, this mechanisms prospect of application is broad, arouses the people enormous interest. but the examination of the globoidal indexing cam mechanism is a quite weak link, the manufacturers don ’ t give the examination because of the difficulty of the geometry shape error examination of the cam contour
空間弧面分度凸輪機構,由於運動平穩、準確、傳動無間隙而適用於高速分度和精密分度,是當今世界上最理想的高速精密分度機構,正被廣泛應用於各種自動機和生產線上,該機構應用前景廣闊,引起人們極大的興趣,而弧面分度凸輪機構的檢測是一個比較薄弱的環節,一般生產廠家由於凸輪輪廓幾何形狀誤差檢測困難而不予檢測,因此本試驗臺的研製具有極其重要的意義。In the same sense, the flawless undulation machine of the human body needs an even more advanced " super expert " who knows the universe s secret tricks, and can open for us the door to cosmic energy and teach us to use this energy effectively
一部精密的機器唯有透過專業的技師,才能正確地被啟動同樣的,人類這部完美的波動機器,自然更需要一位熟悉其中奧秘的超級專家,才能為我們打開Therefore, this evaluate approach has the disadvantage which the advertising staff can ’ t link the marketing stratagem of enterprise. as a result, the advertising spread hasn ’ t the exact direction while the result of the test is rigor. so we waste a great deal advertising materials
這樣的評價方法有很大的局限性,最根本的一點就是廣告工作人員沒有和企業的營銷戰略緊密結合,沒有給廣告傳播確定一個大致精確的方向,雖然評估的結果可能精確,但卻可能偏離真正的主題甚遠,從而造成廣告資源的大量浪費。Can i use huadong online casino with a mac computer ? for a mac version, please, write to us at king - wang @ hd666. com for detailed instructions on the installation procedure
為了確保電腦行為是真正的隨機運作,我們還使用了一個精密的隨機數字生成器簡稱rng 。分享友人