vector

简明释义

英[ˈvektə(r)]美[ˈvektər]

n. 矢量，向量；（传染疾病的）介体；（飞机的）航线，航向；克隆载体；带菌者；单行矩阵，单列矩阵；（计算机）模型

v. 引导（飞机）

复 数 v e c t o r s

第 三 人 称 单 数 v e c t o r s

现 在 分 词 v e c t o r i n g

过 去 式 v e c t o r e d

过 去 分 词 v e c t o r e d

英英释义

单词用法

同义词

反义词

例句

1.What is the normal vector?

那么法向量又是什么呢？

2.So, this vector field is not conservative.

所以，这个向量场不是保守场。

3.An expressing vector of major outer-membrane protein of Chlamydia psittaci was constructed.

构建了鹦鹉热衣原体主要外膜蛋白的表达载体。

4.That vector is called a "null vector".

那种矢量就叫做”零矢量“。

5.Remember this-- this is a vector.

记住它，这是个矢量。

6.This makes it a vector.

它构成一个矢量。

7.A I call this vector vector a.

我称之为矢量。

8.These involve vector quantities.

这些则包括向量。

9.Well, you know the normal vector.

那么当然知道它的法向量。

10.In biology, a mosquito is a common vector (媒介) for transmitting diseases like malaria.

在生物学中，蚊子是传播疟疾等疾病的常见媒介。

11.A vector (向量) in mathematics can be represented as an ordered pair of numbers.

数学中的向量可以表示为一对有序的数字。

12.In epidemiology, understanding the vector (传播媒介) of a disease is crucial for controlling outbreaks.

在流行病学中，理解疾病的传播媒介对控制疫情至关重要。

13.The vector (矢量) of force can be represented by both magnitude and direction.

力的矢量可以通过大小和方向来表示。

14.In computer graphics, a vector (向量) graphic is made up of paths rather than pixels.

在计算机图形学中，向量图形是由路径而非像素构成的。

作文

In the realm of mathematics and physics, the term vector (向量) plays a crucial role in understanding various concepts. A vector (向量) is defined as a quantity that has both magnitude and direction. This definition sets it apart from scalars, which are quantities that only possess magnitude. To illustrate this distinction, consider the example of speed versus velocity. Speed is a scalar quantity that tells us how fast an object is moving, while velocity is a vector (向量) that specifies both the speed and the direction of the object's motion. Vectors can be represented graphically as arrows, where the length of the arrow indicates the magnitude and the arrowhead indicates the direction. For instance, if we want to represent a wind blowing at 10 kilometers per hour towards the northeast, we would draw an arrow that is 10 units long pointing in the northeast direction. This graphical representation helps us visualize how vectors (向量) operate in real-world scenarios. In addition to their graphical representation, vectors (向量) can also be expressed in algebraic form. In a two-dimensional Cartesian coordinate system, a vector (向量) can be represented as an ordered pair (x, y), where x and y are the horizontal and vertical components, respectively. For example, a vector (向量) that moves 3 units to the right and 4 units up can be expressed as (3, 4). The ability to break down vectors (向量) into their components is particularly useful in physics, where we often deal with forces acting in different directions. One of the most significant applications of vectors (向量) is in physics, particularly in the study of forces. When multiple forces act on an object, we can use vector (向量) addition to determine the resultant force. This process involves adding the individual vectors (向量) head-to-tail, allowing us to find a single vector (向量) that represents the combined effect of all the forces. This principle is essential in mechanics, where understanding the net force acting on an object is key to predicting its motion. Moreover, vectors (向量) are not limited to physical applications; they also have significant importance in computer science and engineering. For instance, in graphics programming, vectors (向量) are used to represent points in space, colors, and even transformations like rotation and scaling. The manipulation of vectors (向量) allows developers to create realistic animations and simulations. In conclusion, the concept of a vector (向量) is fundamental across various fields, including mathematics, physics, and computer science. Understanding vectors (向量) enables us to analyze and interpret phenomena that involve both magnitude and direction. Whether we are calculating the trajectory of a projectile, determining the resultant force acting on an object, or creating stunning visual effects in a video game, vectors (向量) are indispensable tools that enhance our comprehension of the world around us.