normal curve 中文意思是什麼
normal curve
解釋
（＝Gaussian curve） 【物理學】高斯曲線。-
The head girths of several patients were above the 97th percentile of the normal growth curve, but were normal in a special growth chart for achondroplasia
有幾位患者的頭圍大於正常生長曲線的第97個百分位數，可是在軟骨發育不全侏儒患者特有的生長曲線中，這些頭圍是正常的。 -
Designing a higher vocational education training program based on normal distribution curve
依正態分佈曲線設計高等職業教育人才培養方案 -
The mean of a normally distributed population lies at the center of its normal curve.
正態分佈總體的平均數在正態曲線的中心。 -
Think times are used, but varied on a normal curve
使思考時間的變化情況符合正態分佈曲線。 -
Standard deviation in statistics, a measure of the dispersion of a frequency distribution : it is the average magnitude of deviations from the center of normal curve, calculated by squaring all the deviations, calculating their mean, then finding the square root of the mean
標準偏差：統計中，一種衡量數據組分佈的分散或變化情況的數據，是偏離正態分佈中間位置數據大小的平均值。 -
Their heights were around four standard deviations below the 50th percentile of the normal growth curve
他們的身高大約比正常生長曲線的第50個百分位數低4個標差準。 -
Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa
本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。 -
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。 -
The contacting measurement method with a double probe is put forward after the detailed analysis of the state - of - the - art measuring methods of the thickness of wall. firstly, the theory - profile generatrix is built, and then the movement curve of the track of joint center is constructed, which aims at making the joint center move along the movement curve and keep the fixed sensor touching the wall. the measuring sensor examines the line in its normal direction of the interior wall all the time, the data from the sensor is the thickness value of the wall
論文通過分析國內外變曲率回轉體壁厚測量的現狀，提出了雙測頭接觸式測量方案:通過構造理論輪廓母線，建立鉸鏈中心的運動曲線，使鉸鏈中心始終沿運動曲線運動，以保證固定觸頭與傳感器測頭的連線始終在內壁法線方向上，從而傳感器測頭所得的數值即為壁厚值，該方案經模擬測試實驗取得了預期效果。 -
Normal probability curve
正態概率曲線 -
3 foot is power source terminal at eight - phase left - hand end, they are zero curve 、 live wire 、 ground wire or “ _ ” 、 “ + ” and ground, 5 、 6 foot are lose electric alarming fan - out ( replay normal close point, the equipment cut - out after losing electricity
左端8位端子的1 、 2 、 3腳為電源端子，分別為零、火、地或「 」 「 」 、地； 5 、 6腳為失電告警輸出端（繼電器常閉點，裝置失電后斷開） 。 -
The parametric speed of the curve is firstly approximated by the bezier polynomial which takes the lengths of control polygon ' s edges of the direction curve of normal as bezier coordinates. then the corresponding geometric offset approximation algorithm is given. moreover, an offset approximation with high precision is obtained by degree elevation of the direction curve of normal
首先利用以法矢方向曲線的控制多邊形邊長為b zier縱標的b zier多項式來逼近曲線的參數速度，給出了相應的幾何等距逼近演算法，進一步結合法矢方向曲線的升階獲得了高精度逼近 -
After giving the legendre polynomials approximation to parametric speed of the curve, the author gives the jacobi polynomials approximation to parametric speed with endpoints interpolation. from this, two algebraic offset approximation algorithms, which preserve the direction of normal, are derived
給出了曲線參數速度的legendre多項式逼近，進一步給出了參數速度的插值區間端點的jacobi多項式逼近，由此導出了保持法矢平移方向的兩個等距代數有理逼近演算法 -
3, logging curve comparison results show that in the west part of south region there is a grade 4 normal fault, and the separation is 4 - 6 meters. five microstructure types and 8 top and bottom composition patterns have been proposed. the relationship between microstructure and deposition facies was studied and the genesis relationship was confirmed, that is, top microstructure is mainly corresponding to nature levee, contrasting to that of the bottom microstructure
提出了五種微構造類型及八種頂底微構造組合模式；並研究了微構造與沉積相的關系，發現它們之間存在一定的成因聯系，即頂面微構造中高點、鼻狀和斷鼻構造主要對應于邊灘微相，低點與溝槽微構造則主要對應于天然堤微相，而底面微構造正好與之相反。 -
The systematical experimental study on the structure characteristic of soft clay from wenzhou has been carried out. based on schmermann and nagaraj ' s experimental conclusions and a large number of structure characteristic experiments of soft clay from wenzhou, an updated correction method of compression curve of disturbed soil is presented. the corrected compression curve is composed of four sections : horizontal section, elastic compression section, structure dilapidation compression section and normal compression section
結合溫州軟土進行了結構性試驗，對軟土的結構性進行了系統研究，在schmertmann和nagaraj等人實驗結論及大量溫州軟土結構性試驗的基礎上，得到了結構性軟土的四段式壓縮曲線：水平段、彈性壓縮段、結構破損突降段，正常壓縮段。 -
Waxes for sealant : this series product divides the wax for sealant tape and the wax for container primer, the former can provide the reasonable molecular weight distribution and the normal and isomerism proportion, obviously enhances the sealant tape the anti - oxidized ability ; latter has gentle viscosity - temperature curve, which can improve products ' adhesion, sagging property and bears the weathering ability
密封膠用蠟系列：本系列產品分密封膠條用蠟和集裝箱底漆用蠟，前者能提供合理的分子量分佈和正異構比例，明顯提高膠條的抗氧化能力；後者具有平緩的粘溫曲線，改善目的產品的附著性、流掛性能和耐侯能力。 -
A. p. verbyla and w. n. venables ( 1988 ) extended the ordinary growth curve model into the extension of growth curve model and obtained an estimate of the unknown parameter matrix under the conditions that the matrix of observations follow multivariate normal distribution, where every design matrix has full column rank [ 7 ]
A . p . verbyla和w . n . venables （ 1988 ）將gc模型進行了推廣，得到了推廣增長曲線模型（ theextensionofgrowthcurvemodel簡稱egc模型） ，並在觀察矩陣服從正態分佈，各設計矩陣均為列滿秩的條件下，給出了參數矩陣估計值的一種演算法。 -
Because of the significant difference in curve shape between the normal bacteria culture and culture with antibiotics, this technique could be used to study the drug - resistance of bacteria
因正常細菌培養基所產生的阻抗曲線圖譜與在細菌培養基中滴加了抗菌藥物所形成的阻抗曲線圖譜形態有明顯差別，利用這種阻抗曲線圖譜的形態差別來判斷細菌的耐藥性。 -
In this paper, an approach of the systematic artificial neutral net was introduced into the analysis on the ship - against - bridges probability with a computer programs. based on the basic data of the present 12 typical bridges as the sample, 4 chief influential factors as the input coefficient, such as the bridge span, the water flow rate, the incline angle between water flow direction and the direction normal to bridge axis, and the curve in the course near the bridge area, with the ship - against - bridge probability as the output coefficient, the intelligent judging system of the ship - against - bridges probability reflecting the influence of the above input parameters is obtained after training
本文首次將人工神經網路系統方法引入了船撞橋概率的研究當中，編制了計算程序，成功地以現有12座典型橋梁的基礎數據為樣本，以橋梁跨徑、水流流速、水流方向與橋軸法線的夾角以及橋區航道彎曲度等4個船撞橋主要影響因素為輸入參數，以船撞橋概率為輸出參數，經訓練得到了能較好地反映上述輸入參數影響的船撞橋概率判斷系統。 -
Anderson, amemiva and fujisawa et al scholars extended the growth curve model into the one with random effects and considered the likelihood ratio criterion ( lrc ) for its mean structure, where the random vectors follow normal distribution on the assumptions that random effects and random errors are mutually independent [ 1 ] [ 2 ]
Anderson ， amemiva和fujisawa等學者將gc模型推廣為含有隨機效應的增長曲線模型（ thegrowthcurvemodelwithrandomeffects ） ，並在觀察矩陣服從正態分佈的條件下作了關于均值的廣義線性假設似然比檢驗。
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