In this paper, by discussing in detail the relation among learning time, reviewing time, learning and mastering Chinese, the author suggests two basic mathematical models, equidifferent model and equiratio model, which relate to the Chinese learning and reviewing.
本文较为详细地讨论了汉语学习、复习时间、学习量与掌握汉语的关系 ,提出了两个与汉语学习和复习有关的基本数学模式 :等差模式和等比模式 ;还研究了词汇量与学习时间的关系。
By giving examples,the text discusses the application of Excel array formula in teachers information management,and proves that we can improve the work efficiency markedly by array formula.
本文以举例分析的方式探讨Excel中的数组公式在师资信息统计分析中的运用,证明使用数组公式能显著提高师资信息管理的工作效率。
From the respects of data fountain, stat item setting up, formula importing and glozing, the paper introduces how to use Excel array formula to deal with students achievement, realize automation and dynamic statistic.
从数据源、统计项目的建立,公式的输入、公式的解释等方面,介绍了如何利用Excel数组公式处理学生成绩,实现自动化和动态统计。
A discussion on the mathematical model of theoretical maximum of gully density;
流域沟壑密度理论极值数学模式商讨
On the basis of analysis of the production,movement and transforming laws of urban automobile tailing pollutants(NO_x),the mathematical model of urban automobile tailing gas pollutants(NO_x) were presented and applied,to simulate and predict the automobile pollutants(NO_x) concentration on the road with many automobile passing through.
对城市机动车尾气中NOx污染物的产生、迁移、转化规律进行了数学分析,提出了城市机动车尾气污染物NOx随时间和距离变化的数学模式,并运用该模型对长春市内车辆集中路口机动车污染物NOx进行了模拟与预测。
The system is based on mathematical model with the help of visual technique of computer,it can measure the pollution degree and range of several pollution sources and output the result with pictures successfully.
本系统以数学模式为基础 ,利用计算机可视化技术 ,将多个污染源的污染程度和范围以图形方式输出 ,同时可利用人机交互的方式通过改变污染源的参数 ,找出影响污染程度和范围的主要因素 。
relay digital counter
继电器式数字计数器
blocked F-format data set
字块式Ｆ格式数据集合
The Counting Formula of Fubini Theorm s Formula Number and The Formula Convolutions of φ(n,k);
Fubini定理公式数计数和φ(n,k)卷积公式
counting type ad converter
计数方式模数变换器
generating function of binomial coefficients
二项式系数的生成函数
digital flight data recorder
数字式飞行数据记录器
auto-log digital power meter
自动对数数字式功率计
The singular form of" data" .
“data”（“数据”）的单数形式。
actual-format parameter correspondence
实际参数－形式参数对应
digital color standard converter
数字式彩色制式转换器
determinant of the coefficients of a linear form
线性形式的系数行列式
Digital sweep
数字式扫描(量化式扫描)
a mathematical calculation, formula, etc
数学运算、 公式等.
digital white board
n.1. 数字式白板
24 is an exponential expression.
24是一个指数式.
"Trousers" has no singular.
“trousers”没有单数形式。
a digital watch [clock]
数字式手表 [时钟]
