余对数

This course, which discusses elementary of computational number theory, includes the following subjects:(1) Fundamental properties of Integers;(2) Congruences;(3) Congruent equations;(4) Legendre and Jacobi symbols;(5) Primitive roots;(6) Primality testing and factorization;(7) Index computation and discrete logarithm computation;(8) Other computational problems.

本课程将讨论计算数论的基本知识，主要包括以下内容：(1)整数基本性质；(2)同余；(3)同余式；(4) Legendre和Jacobi符号；(5)原根；(6)素性测试和大数分解；(7)指数计算和离散对数计算；(8)其他计算问题。

Elliptic curves discrete logarithm ; elliptic curve domain parameter ; point group ; base point ; quadratic remainder ; quadratic congruence equation

椭圆曲线离散对数；椭圆曲线域参数；点群；基点；平方剩余；二次同余方程

A method to establish the relationship between temperature and viscosity, which is high precision and simple operation, was presented, and the empirical formula of more than 10 species lubricants kinematic viscosity, expressed by quartic polynomial of logarithm of absolute temperature, was described.

提出了一种精度高、操作简便的润滑油温度—粘度关系式的建立方法，给出了用绝对温度的对数的四次多项式表示的十余种润滑油运动粘度经验公式。

For specific object searching, the amount of redundant information, which is acquired by uniform sampling sensor, will cost much computer time. The mapping between the retina of human eye and the striate cortex can be approximated by a log-polar coordinate mapping.

文中提出了一种基于对数极坐标映射的目标搜索方法，均匀取样的传感器所获得的像包含有许多相对特定目标搜索而言冗余的信息，对这些信息的处理往往要消耗许多时间。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。