数学

Based on the channel transmission theory,a complete and concise procedure for calculating the HF skywave's transmission loss is proposed in this paper by using and optimizing the available independent and disperse models reasonably.

根据信道传输理论，在合理选用和优化各种现有的独力分散数学模型的基础上，设计了一种完整而简洁的短波天波传输损耗计算流程，并针对流程中的每一步给出了详尽的数学模型。

Those who cultivate mathematics for its own sake are idle searchers given to a vain play of the spirit.

那些为数学而搞数学的人是白费精神的盲目的研究者。

Experiment 7 investigated the saccades feature and number distance effectusing the numerical comparison task under endogenous attention.Experiment 8 investigatedthe saccades feature and number distance effect using the numerical comparison task underexogenous attention.

实验7在内源性注意条件下，采用数字大小比较实验任务，考察数学学优生和学差生数字加工中的眼动特征和距离效应；实验8在外源性注意条件下，采用数字大小比较实验任务，考察数学学优生和学差生数字加工中的眼动特征和距离效应。

And even if you'replanning on being a scientist or an engineer, I've found it'smuch easier to learn and appreciate geometry and trig after you understand what exactly math is where it came from, whereit's going, what it's for.

甚至于你打算当一名科学家或者一名工程师，我会发现这更加容易去学习和欣赏几何学和三角在你理解了什么是数学之后--数学它如何而来，如何而去，为何而生。

By reiving information technology integrating elementary Math teaching, students' achievement of learning mathematics are significant higher than students reiving normal mathematics teaching.

一、 接受资讯科技融入数学教学的学生，其数学学习成就表现显著高於接受一般教学的学生。

By reiving information technology integrating elementary Math teaching, students' attitude of learning mathematics are significant higher than students reiving normal mathematics teaching.

二、 接受资讯科技融入数学教学的学生，其数学学习态度表现显著高於接受一般教学的学生。

And combining with shape modification computation on the pin tooth of cycloidal reducer, the correct method for solving this mathematical model was emphatically discussed by means of computer programming.

以非赫兹弹性接触问题对齿轮传动轮齿啮合进行研究，建立起了新的摆线针轮单齿啮合的柔度矩阵数学模型，并结合摆线减速器针齿修形计算，重点讨论了通过计算机编程，正确求解这一数学模型的方法。

A simplified mathematical model for solving construction machinery outriggers reaction calculation problems is developed.

基于变形设计中小型工程机械支腿反力的求解问题，给出了非完全对称支腿支反力计算的简化数学模型，用此数学模型对模拟试验样车进行了计算。

The thesis defined the concept of numeracy. The structure and characteristics of numeracy were elaborated.

本论文界定了数学素养的涵义，阐述了数学素养的特点和结构。

Mathematic morphology is applied to yarn neps detection in textile industry.

论文研究了数学形态学理论，对基本形态学算子的几何意义与性质进行了归纳与总结，阐述了数学形态学用结构元素&探测&信号的本质。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。