準直線 的英文怎麼說
中文拼音 [zhǔnzhíxiàn]
準直線
英文
line of collimation-
First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment
使用最小二乘方法擬合草圖基準平面,採用二次規劃方法提取拉伸方向和旋轉軸線,然後將數據點投影以獲取草圖數據,通過柵格劃分提取草圖邊界輪廓數據,再對這些邊界數據進行基於特徵點的分割,以直線和圓弧段擬合出草圖輪廓。Therefore, the method of screen spreading is presented herein with the following basic feature : taking the surface of the perpendicular line at the end of the distortion and bottom as the datum plane, move the controlling point of every distortion part to the datum plane with the principle of changeless of geometry size, and then the spreading is formed
為此提出一種屏幕展開方法,此方法的基本要點是,以扭曲面末端垂直線和底部起坡線所在的平面為基準面,將扭曲面各分塊的控制點按幾何尺寸不變的原則搬到基準面,即可形成展開圖。Application of some level methods in linac measurement
幾種水準測量方法在電子直線加速器測量中的應用It is shown by analyzing large test data that the empirical formula presented in the paper has higher linearly dependent coefficient, lower average relative error and relative standard deviation compared with the traditional empirical formula of orthoscopic and power function
試驗數據表明,本文提出的經驗公式比傳統的直線式和冪函數式經驗公式的線性相關系數更高,且平均相對誤差和相對標準差都低。This paper introduces the radiographic examination procedure of the primary pump of 900mw nuclear power unit, including the requirement about the radiographic examination equipment such as the radiation sources, films, penetrameter, etc. ; the radiographic process when using the rectilinear accelerator, and the development & examination of radiographic files, defects examination and acceptance criteria, with the expectation that this introduction be useful for reference to the promotion of 1000mw nuclear power primary pump localization in china
摘要介紹了嶺澳核電站主泵泵體製造過程中的射線探傷工藝過程,包括對膠片、象質計及底片的要求、直線加速器透照工藝、底片沖洗及黑度要求以及缺陷評定和驗收標準,以期對我國今後百萬千瓦級主泵泵體的國產化有所裨益。The present paper firstly represents the model about random walks in time - random environments on the right line, then the studies about recurrence - transience criteria and limit theorem by using some relative theories of markov chains, and finally a center limit theorem of this random walks in the non - recurrence case
摘要給出了半直線上時間隨機環境下隨機游動的模型,並利用馬氏鏈理論研究了該隨機游動的常返暫留準則和依概率收斂的大數定律,得到在非常返情形下的中心極限定理。Adopt transfiequency motor to control speed, processing speed fast and high processing efficiency ; adopt double straight line rolling glide and double ball screw rod transmission system guarantee the processing size s veracity and stability. upper chamfer angle can automatic rise and fall so its have easy handling, compact structure the minimum width of the glass can be 127mm
加工速度快,效率高雙直線導軌和雙絲桿傳動系統確保了加工尺寸的準確性和穩定性,上倒角自動升降的先進性,使其具備操作方便結構簡潔等特點。The collimated light goes through a 1 / 4 wave plate. this converts it into circularly polarized light
經過準直鏡校準后的光線射入四分之一波板。平行偏振光又被轉化為圓偏振光。The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。Procedure is used to fit a straight line to the data in which the straight line has the following standard form
過程用於產生與數據相吻合的直線,其中直線具有以下標準方程:You have been asked by your line manager to prepare a report on incoterms
你的直線經理要求你準備一份有關國際貿易術語解釋通則( incoterms )的報告。Standard guide for design of flat, straight - line test structures for detecting metallization open - circuit or resistance - increase failure due to electromigration metric
檢測由電遷移造成的噴鍍金屬開路或阻力增加失效率用的平板直線試驗結構設計的標準指南The fire " 3. 1 straight lines " in the fire competition, the athlete need to obtain the result, must grasp " 3. 1 straight lines " the principle, namely the eye saw to the aiming point, the point of front sight and the rod gap three superpositions carries on the fire again
射擊「三點一直線」在射擊比賽中,運動員要取得好成績,就必須掌握「三點一直線」的原理,即眼睛看到瞄準點、準星尖和標尺缺口三者重合再進行射擊。Volume shrinkage of sample results in the increasing of the value of the crystallization rate vc and the decreasing the values of the avrami exponent n in the primary crystallization and s, defined as the relative crystallinity degree when experiment data deviate theoretical predicting straight line. compared with the avrami equation, the price equation hardly makes progress on describing the behavior of polymer later stage crystallization
樣品體積收縮,導致avrami指數n值減小;結晶速度v _ c值增加;表示實驗值偏離理論預測直線時的相對結晶度_ s值減小;與avrami方程相比, price方程仍不能較準確地描述高聚物等溫後期結晶行為。Repeat the preparation of standards starting with pure solutions until successive calibration curves agree within 10%.
重復配製標準溶液(從純溶液開始)直至逐次的標準曲線彼此偏差均在10以內。While remaining ' on the bit ' and maintaining a light and soft contact with the rider ' s hand, the horse may quietly chew the bit and should be ready to move off at the slightest indication of the rider
頸部抬起,項部高居,馬頭在垂直線稍前方,保持 '受銜 '姿勢,並且和騎手的手保持輕微、柔和的接觸,安靜地咬著口銜,隨時準備按騎手最輕微的指示立即運動。The calibration line is determined by using one set, i. e. 4 standard reference material samples with a different " hardgrove - index " of approx
校驗直線按照樣品的40 60 80 110h這四個標準的hardgrove指數來制定。Around key corresponds both sides of mobile vehicles, fire, but also can avoid each others attacks, key blanks to machine - gun fire, the direction of the front line, but fairly decent power, in general, a firing can eliminate an opponents chariot
方向鍵左右,對應戰車的兩側移動,可以瞄準射擊,同時也可以躲避對方的攻擊,空格鍵為機槍射擊,方向為正前方一直線,不過威力還算過得去,一般來說,一次射就能消滅一輛對方的戰車。Phases straight lines model and not straight lines model based on bp are used to correct the physical parameters and eliminate deflection. the least - square is used to calculate the efficiency of generators
在物理量校準中利用分段直線回歸和基於神經網路的非線性回歸,對模擬量進行了非線性在線校正來消除誤差;在發電機效率計算中利用最小二乘法實現了發電機效率回歸。At first, the author analyzed some chief factors such as light beam drift and atmospheric turbulence that affect the precision of the laser collimation in brief. then, the author studied the plan of the laser collimation generating nondiffracting beam and automatic level system with high precision. at last, the author completed the measurement of the straightness guideway by using ccd ( charge coupled device ) as the receiver and computer imaging processing
文章首先簡要地分析了激光自身漂移、大氣湍流等影響激光準直精度的主要因素,然後對系統的激光準直方案進行論證,並確定了無衍射光束的生成方案、高精度自動安平系統的結構方案,最後以ccd為接收器件,通過計算機圖像處理,完成對軌道直線性的測量。分享友人