面积公式

通过对Green公式的离散变形，建立了重积分到曲线积分的公式，用多种方法推导出任意多形的面积公式。

In this paper , we derived the discrete Formula of Green and establish formula of from multiple integral to curvilinear integral . By different methods , we derive any polygon area formula .

文章介绍了球面S2上的测地三角形的边、角关系以及面积公式，并给出了详细的证明。

Geodesic triangle on spherical surface S2 is introduced in the paper , the relationship between its sides and angles , and its area formula are also introduced , and the demonstrations is given in detail .

本文将空间中曲线的弧长、曲面的面积公式推广到Hilbert空间中的γ维正则子流形的测度上去，并给出了显式公式。

In this paper , the author extends the formula of the arc length of a curve and the area of a curved surface into measuring the γ - dimensional regular submanifold in Hilbert space and , In ad-dition , he gives an explicit formula .

任意多边形面积公式的推导及其应用

Derivation of Formula for Any Polygonal Area and Its Applications

任意四边形面积公式推证的一种新方法

A new method of deducing the formula of the area of quadrilaterals

关于中国人体表面积公式的研究

Study of formula for calculating body surface areas of the Chinese adults

椭圆内接（外切）多边形的面积公式

Area Formula of the Polygon of Inscribed or Circumscribed Ellipse

方法应用面积公式和权因子变换公式给出证明。

Methods Using formula of area and weight transform the property is proved .

平面图形面积公式的推广

The Spreading of Dimension Formula of Plane Figures

带圆弧简单多边形的面积公式获取算法

A Novel Algorithm for Computing the Area Formulation of Simple Irregular Polygons with Arc

一类垂足多边形的有向面积公式及其应用

A Formula of Directed Area for A Class of Pedal Polygons and Its Application

特殊四边形面积公式的探讨

Study of Area Formula of Special Quadrilaterals

这就是空间三角形的面积公式。

That 's the formula we 've seen for the area of a triangle in space .

关于一个面积公式的推导

Deduction of an Area Formula

本文给出了在圆筒炉中任意两区间的直接交换面积公式。

In this paper , the direct exchange area equations between any two zones in the cylindrical furnace are given .

给出四类特殊四边形面积公式，对其中部分不常见公式进行简要证明。

The paper gives four kinds of area formulas of special quadrilaterals . Simple proofs are given to some of unusual formulas .

圆面积公式与圆周率究竟是怎样推求的

How to Calculate the Area of Circle and Ratio of the Circumference of to Its Diameter ITO formula of a function of

从置信区间本质意义出发，得到了对数正态总体参数的联合置信域以及置信域的面积公式。

Based on the definition of the confidence interval , we obtained the combination confidence region of the Lognormal population and the area formula of the combination confidence region .

统计典型区域中毛细管个数，参照圆面积公式得到纱线中毛细管当量半径。

According to the area of capillaries , the number of capillary and the formula of circle , the equivalent radius of the five kinds of the yarns was gotten .

文献〔2〕提出的面积公式和本文推导的需功量公式是运用矢量法进行二维梯田设计的基本公式。

The area formula gived by reference [ 2 ] and the formula of need-work quantity de-rived from this papar are basic formulae by using vector method for 2-dimension terrace design .

本文给出了n维常曲率空间中单形的中面面积公式，利用它我们还得到了一类几何不等式。

In this paper , we give a middle section area formula of simplex in the n-dimensional constant curvature space , we use this formula obtain a class of geometric inequalities .

在《采矿设计手册》第3卷载的圆弧拱巷道断面积公式是近似计算的，其值比本文推导公式的值稍小。

The formula presented in Tom3 of 《 Mining Design Manual 》 is for approximate calculation , the area value determined from which is some less than that obtained from the formula given here .

用三角形面积公式先证明推论，再用推论结果去证明定理，定理和推论都得以严格证明，学生易于理解和接受。

To prove the corollary first with the area formula for a triangle , then to prove the theorem with the corollary , it would make both the theorem and corollary proved strictly , so that the students understand and accept it easily .

R型可调文氏管流通面积计算公式的简化

Calculation Formulas simplification of Circulation Area of R Adjustable Venturi

为了解决这一问题，借助等效原理和互易性定理给出了求解N阶散射场的面积分公式。

In order to overcome this difficulty , the composite scattering field is studied by employing the technique based on the reciprocity theorem and the equivalence principle and a surface integral solution up to Nth-order is obtained .

当量沉降面积计算公式的推导

Derivation of Formulae for calculating Equivalent Settling Area

安全阀在线调校中阀座有效面积计算公式新析

Calculation formula and analysis of the effective seat area in on-line adjusting of safety valves

有色金属铸件浇注系统最小截面积计算公式探讨

An Approach to Calculated Formula for Minimum Section Area of Gating System of Non-ferrous Metal Casting

适用范围宽的铸件浇注系统最小截面积计算公式

A Widely Used Equation for the Minimum Section of the Poring System Applied to Various Castings

灰铸铁件浇注系统最小截面积计算公式研究

Study of the calculating formulas in the minimum section of the gray casting iron pouring system