Word · Frequency #5909

vector

/ˈvektɝː/

noun

向量；矢量

A quantity having both magnitude and direction, such as a directed line segment; a variable that can be resolved into components.

1.
A directed quantity, one with both magnitude and direction; the signed difference between two points.
具有大小和方向的量；两个点之间的有符号差。
2.
a variable quantity that can be resolved into components
可以分解为分量的变量
3.
A kind of dynamically resizable array.
一种动态可调整大小的数组。
4.
a straight line segment whose length is magnitude and whose orientation in space is direction
长度为大小、方向为空间方向的直线段
5.
A carrier of a disease-causing agent.
携带致病因子的载体。
6.
any agent (person or animal or microorganism) that carries and transmits a disease
携带并传播疾病的媒介(人、动物或微生物)
7.
Forces, developments, phenomena, processes, systems, etc. which influence the trajectory of history (e.g. imperialism)
影响历史轨迹的力量、发展、现象、过程、系统等(如帝国主义)。

传播媒介；带菌者；病媒；动态数组；历史推动力；影响因素；具有大小和方向的量；两个点之间的有符号差。；可以分解为分量的变量

In use

In physics class, we learned how to add two vectors by drawing them tip to tail.

在物理课上，我们学习了如何通过首尾相接来相加两个向量。

The pilot used a vector to describe the plane's speed and direction.

飞行员用一个向量来描述飞机的速度和方向。

A force is a vector because it has both magnitude and direction.

力是向量，因为它既有大小又有方向。

mosquitos are vectors of malaria and yellow fever

蚊子是疟疾和黄热病的传播媒介。

fleas are vectors of the plague

跳蚤是鼠疫的传播媒介。

when medical scientists talk about vectors they are usually talking about insects

当医学科学家谈到病媒时,他们通常指的是昆虫。

仅作可数名词；在数学、物理和计算机领域常见。

页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。

Dictionary facts from ECDICT, WIKTIONARY.