It is the first laboratorial experiment results of self-volume deformation of MgO concrete applied to the arch dam foundation of Dongfeng hydropower station in Guizhou province, the laws of self-volume deformation of MgO concete is conducted, the long-term expansion deformation value is reckoned, the arc tangent curve model of the concrete is presented to describe the characteristics of expansion deformation of the MgO concrete.

本文以在國內(nèi)外首次將MgO混凝土應(yīng)用于主體工程的貴州東風(fēng)水電站拱壩基礎(chǔ)混凝土的室內(nèi)自生體積變形成果為例欧美色图亚洲日韩乱伦另类，對MgO混凝土自生體積變形的規(guī)律進行了研究，提出了MgO混凝土自生體積變形的反正切曲線模型www.天堂网.av，用以表達MgO混凝土的膨脹變形特性和推算MgO混凝土的長期膨脹變形值WWW18黄。

First, the relative curvature of a certain curve at its first end and the directional angle of the first port tangent vector of that curve as well as the weight factor of the interpolation curve are given, then all the other control vertexes can be gotten by using the conditions of G continuity, and a method to construct transitional curves is also introduced so that we can get the closed interpolation curve which achieves G continuity globally.

首先給定某段曲線的首端相對曲率和該段曲線的首端切矢量的方向角以及插值曲線的權(quán)因子，然后利用G2連續(xù)條件求出其余控制頂點欧美性a视频在线观看，并給出了構(gòu)造過渡曲線的方法国内精品久久久久电影al换脸，得到了G2連續(xù)的閉插值曲線。

A method of construct a quadratic uniform B-spline curve through data points is given.If the relative curvature of a certain curve on the first control point and the direction angle of the first port's tangent vector is given,here can get the whole curve by using the character of the port of quadratic uniform B-spline curve.

提出了一種二次均勻B樣條插值曲線的構(gòu)造方法日韩操逼特色特黄一级免费视频，首先給定某一段曲線首點的相對曲率和該段曲線的首端切矢量的方向角，利用二次均勻B樣條曲線的端點性質(zhì)视色,视色影院,视色影库,视色网，求出其余各段曲線控制頂點在线看片av免费观看黄色电影，來生成整條插值曲線。

Turn to the top view, use left and right symmetry line to draw tangent plane curve. Open drive surface order board, choose triple rail, the single tangent plane, and the tangent plane width measurement, to create the oval curved surface.

轉(zhuǎn)到上視圖欧美丝袜欧美丝中文字幕，使用左右對稱線繪制切面曲線亚洲视频精品在线观看，打開導(dǎo)軌曲面命令面板，選擇三導(dǎo)軌中国一级A片XXXX，單切面日韩人人操人人摸，寬度切面量度，建立橢圓曲面黄色视频片大区。

First, a smooth curve is obtained from the data by curve fitting with the method of non-linear least squares fit. Then the tangent vector and the radius of curvature of each point on the curve can be calculated for the error evaluation. With the fitted curve, the focusing state of the aspheric lens can be obtained by the method of ray tracing.

主要過程為首先采用非線性最小二乘擬合的方法進行曲線擬合国产又黄又免费AAAA视频，并計算出曲線上各點的切矢量和曲率半徑，分析它們的誤差国产一级免费视频，最后對擬合后的曲線用光線追跡的方法得到非球面鏡的聚焦情況农村一级一级毛片无码。

This paper analyses the tangent equation of space curve and the derivation process of the curved tangent plane equation in the higher-mathematics teaching-materials, and shows another method to extract the tangent equation of space curve.

分析高等數(shù)學(xué)教材中空間曲線的切線方程和曲面的切平面方程的推導(dǎo)過程，給出求空間曲線的切線方程的另一種方法精品一区精品二区精品久久。

A perpendicular,especially a perpendicular to a line tangent to a plane curve or to a plane tangent to a space curve.

正交一條垂直線久久高清视频黄色打电话，尤指一條相對一條平面曲線的切線垂直線或一條相對一條空間曲線的平面切線垂直線

An element of a vector space .A perpendicular, especially a perpendicular to a line tangent to a plane curve or to a plane tangent to a space curve.

正交一條垂直線，尤指一條相對一條平面曲線的切線垂直線或一條相對一條空間曲線的平面切線垂直線

Mathematics A perpendicular, especially a perpendicular to a line tangent to a plane curve or to a plane tangent to a space curve.

正交：一條垂直線免费黄色页，尤指一條相對一條平面曲線的切線垂直線或一條相對一條空間曲線的平面切線垂直線

Tangent sine function with the function, structure and the cosine function linear structure, The results showed tangent curve smoothing function fitting, bending loss smaller, more optimization of the optical path.

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