Word · Frequency #5909
vector
向量；矢量
核心释义
A quantity having both magnitude and direction, such as a directed line segment; a variable that can be resolved into components.
- 1.
具有大小和方向的量；两个点之间的有符号差。
A directed quantity, one with both magnitude and direction; the signed difference between two points.
- 2.
可以分解为分量的变量
a variable quantity that can be resolved into components
- 3.
一种动态可调整大小的数组。
A kind of dynamically resizable array.
- 4.
长度为大小、方向为空间方向的直线段
a straight line segment whose length is magnitude and whose orientation in space is direction
- 5.
携带致病因子的载体。
A carrier of a disease-causing agent.
- 6.
携带并传播疾病的媒介(人、动物或微生物)
any agent (person or animal or microorganism) that carries and transmits a disease
- 7.
影响历史轨迹的力量、发展、现象、过程、系统等(如帝国主义)。
Forces, developments, phenomena, processes, systems, etc. which influence the trajectory of history (e.g. imperialism)
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
用法In use
In physics class, we learned how to add two vectors by drawing them tip to tail.
用法提示：vector 作名词，指数学物理中的“向量”，具有大小和方向；此处用复数形式 vectors。
The pilot used a vector to describe the plane's speed and direction.
用法提示：vector 作名词，表示“矢量”，同时具有大小和方向。
A force is a vector because it has both magnitude and direction.
用法提示：vector 作名词，指“向量”，强调其具有大小和方向两个属性。
mosquitos are vectors of malaria and yellow fever
fleas are vectors of the plague
when medical scientists talk about vectors they are usually talking about insects
相关词与表达Connections
搭配Collocations
- unit vector
- 单位向量
- Divide the vector by its length to get a unit vector.把该向量除以其长度即可得到单位向量。
- vector space
- 向量空间
- In linear algebra, we study transformations between vector spaces.在线性代数中，我们研究向量空间之间的变换。
- vector field
- 向量场
- A vector field assigns a vector to every point in the plane.向量场为平面上的每一点都指定一个向量。
- viral vector
- 病毒载体
- The gene therapy uses a viral vector to deliver DNA into cells.这种基因疗法使用病毒载体把DNA送入细胞。
- disease vector
学习提示Learner notes
语法说明Grammar Note
仅作可数名词；在数学、物理和计算机领域常见。
一起学习词形Learn the forms together
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.