神马作文网物理翻译,英文翻译成中文
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物理翻译,英文翻译成中文
3. Relief Maps
A third way to represent a scalar field is to fix one of the dimensions, and then plot the value of the function as a height versus the remaining spatial coordinates, say xand y, that is, as a relief map. Figure 1.2.6 shows such a map for the same function I(,xy,0) .
Figure 1.2.6 A relief map of the scalar field given by Eq. (1.2.3).
1.3 Vector Fields
A vector is a quantity which has both a magnitude and a direction in space. Vectors are used to describe physical quantities such as velocity, momentum, acceleration and force, associated with an object. However, when we try to describe a system which consists of a large number of objects (e.g., moving water, snow, rain,…) we need to assign a vector to each individual object.
As an example, let’s consider falling snowflakes, as shown in Figure 1.3.1. As snow falls, each snowflake moves in a specific direction. The motion of the snowflakes can be analyzed by taking a series of photographs. At any instant in time, we can assign, to each snowflake, a velocity vector which characterizes its movement.
3. Relief Maps
A third way to represent a scalar field is to fix one of the dimensions, and then plot the value of the function as a height versus the remaining spatial coordinates, say xand y, that is, as a relief map. Figure 1.2.6 shows such a map for the same function I(,xy,0) .
Figure 1.2.6 A relief map of the scalar field given by Eq. (1.2.3).
1.3 Vector Fields
A vector is a quantity which has both a magnitude and a direction in space. Vectors are used to describe physical quantities such as velocity, momentum, acceleration and force, associated with an object. However, when we try to describe a system which consists of a large number of objects (e.g., moving water, snow, rain,…) we need to assign a vector to each individual object.
As an example, let’s consider falling snowflakes, as shown in Figure 1.3.1. As snow falls, each snowflake moves in a specific direction. The motion of the snowflakes can be analyzed by taking a series of photographs. At any instant in time, we can assign, to each snowflake, a velocity vector which characterizes its movement.
3.地形图
三分之一路是一个标量场是固定的尺寸,并绘制函数的值作为一个高度与剩余的空间坐标,xand说,就是,作为一个地形图.图1.2.6表明这样一个地图相同的功能我（,代理,0）.
图1.2.6救济地图的标量场由式（1、2、3）.
1.3个向量域
矢量是一个具有大小和方向的空间.向量是用来描述的物理量,如速度,动量,加速度和力,与对象关联.然而,当我们试图描述一个系统由大量的对象（例如,移动水,雪,雨,……）我们需要分配一个向量每个对象.
作为一个例子,让我们考虑飘落的雪花,如图1.3.当下雪时,每个雪花移动在一个特定的方向.运动的雪花可以分析,通过采取一系列照片.在任何时刻,我们可以分配,每个雪花,速度矢量的运动特点.
三分之一路是一个标量场是固定的尺寸,并绘制函数的值作为一个高度与剩余的空间坐标,xand说,就是,作为一个地形图.图1.2.6表明这样一个地图相同的功能我（,代理,0）.
图1.2.6救济地图的标量场由式（1、2、3）.
1.3个向量域
矢量是一个具有大小和方向的空间.向量是用来描述的物理量,如速度,动量,加速度和力,与对象关联.然而,当我们试图描述一个系统由大量的对象（例如,移动水,雪,雨,……）我们需要分配一个向量每个对象.
作为一个例子,让我们考虑飘落的雪花,如图1.3.当下雪时,每个雪花移动在一个特定的方向.运动的雪花可以分析,通过采取一系列照片.在任何时刻,我们可以分配,每个雪花,速度矢量的运动特点.