偶函数

The autocorrelation function is an even function .

自相关函数是一个偶函数。

The definite integral property in symmetry interval is extended to definite integral on non-symmetry interval and multiple integral.

在定积分和重积分中对对称区间上奇偶函数的定积分性质进行了推广。

Using this formula ,we get several important inference and prove that when the curve and surface integral of the first kind's integrand is odd function or even function and the integral curve or surface is symmetry.

并且利用这个公式，推导出了当第一型曲线积分或曲面积分的被积函数为奇函数或偶函数，积分曲线或曲面是对称的时的几个重要的推论及证明。

Thirdly,we discuss the invarant factors of this kind of matrix,and obtainthe normal form of Jacobi matrix under the sense of symplectic similar.

再次，讨论这种矩阵的不变因子，得出它们若不是奇函数则必定是或偶函数。最后给出了哈氏系统Jacobi矩阵在辛变换之下的标准形。

Odd and even function's integral calculation is a kind of particular operation in integral calculus ,if the character of odd and even function can be applied flexibly in the process of calculating,it will play a role of simplifying calculation.

奇偶函数的积分计算是积分学中的一种特殊运算，在计算过程中如能巧用奇偶函数的性质，往往可以起到化难为易、简化计算的作用。

In the even-odd method, according to the symmetry properties of odd and even functions, the function to describe the surface distribution of a flat is decomposed to four components: even-odd odd-even even-even and odd-odd functions, the absolute distribution of three flats are obtained by solving every component.

奇偶函数法根据函数的奇偶特性，将平面面形函数分解为：偶奇、奇偶、偶偶和奇奇函数，再分别求出各项，从而得到三个平面的绝对面形。

A class of stationary models of singular stochastic control is discussed, in which the functions in cost structure are not restricted to even functions, and the state processes are diffusions with "nonsymmetric" drift and diffusion coefficients.

该文讨论了一类奇异型随机控制的平稳模型，其费用结构中的函数不限于偶函数，其状态过程为扩散型且具有&非对称的&漂移及扩散系数。

A class of stationary models of singular stochastic control is discussed, in which the functions in cost structure are n ot restricted to even functions, and the state processes are diffusions with "n onsymmetric" drift and diffusion coefficients.

该文讨论了一类奇异型随机控制的平稳模型，其费用结构中的函数不限于偶函数，其状态过程为扩散型且具有&非对称的&漂移及扩散系数。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。