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单词 scalar
释义

scalar /'skeɪlə//ˈskelɚ/

英汉-汉英词典
  1. adj. 数量的;标量的;梯状的,分等级的
  2. n. 数量;标量
词组 | 习惯用语
scalar multiplication 纯量乘法;标量乘法
scalar field 标量场;纯量场;数量场
scalar potential 标量势;标量位
scalar quantity [计]数量,纯量,标量
scalar wave 标量波
scalar product 无向积;数积
scalar wave equation 标量波动方程;纯量波动方程式
英语例句库
  1. Divisor scalar multiplication is the key operation in hyperelliptic curve cryptosystem.
    除子标量乘是超椭圆曲线密码体制中的关键运算。
  2. According to the theory of scalar diffraction, first, the equipollence of spatial distribution of the plane-wave interferential field and parallel projective sine grating is discussed.
    摘要根据标量衍射理论,首先讨论了两平面波干涉场的空间分布与平行投影正弦光栅的等价性。

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原声例句
TED-Ed(视频版)

It turns out that scalars also share this coordinate invariance property.

事实证明,标量也具有这种坐标不变性。

Crash Course Physics 速成课物理

And what are vectors? Scalars? And what does this mean?

什么是向量?标量?这是什么意思?

Linear algebra

Remember how I said that linear algebra revolves around vector edition and scalar multiplication?

还记得我说过线性代数围绕着向量编辑和标量乘法吗?

Linear algebra

The way you'll often hear this described is that linear transformations preserve the operations of vector edition and scalar multiplication.

您经常听到的描述是 线性变换保留了向量编辑和标量乘法的操作。

TED-Ed(视频版)

The distance between you and a bench, and the volume and temperature of the beverage in your cup are all described by scalars.

你和长凳之间的距离,以及你杯子里饮料的体积和温度,都是用标量来描述的。

Linear algebra

It's a little awkward to work with at 1st, because that left hand side represents matrix factor multiplication, but the right hand side here is scalar vector multiplication.

首先处理这个有点尴尬 因为左边表示矩阵因子的乘法 但右边是标量向量的乘法。

Apple 最新资讯

Our concept of the character is actually a composition of multiple Unicode scalar values, and decomposing these correctly is critical to getting that fidelity with Unicode, the characters, and the string API.

我们对于字符的概念实际上是由多个统一码标量值构成的,正确地把它解构对于统一码的精确性以及字符和字符串 API 的精确性都至关重要。

Linear algebra

You'll see in the following videos what I mean when I say that linear algebra topics tend to revolve around these two fundamental operations vector edition and scalar multiplication.

在接下来的视频中 你会看到我说线性代数的主题往往围绕着这两个基本运算向量变换和标量乘法。

Linear algebra

But some special vectors do remain on their own span, meaning the effect that the matrix has on such a vector is just to stretch it or squish it like a scalar.

但是一些特殊的向量仍然在它们自己张成的空间上 这意味着矩阵对这样一个向量的作用就是拉伸它或者像挤压标量一样挤压它。

Linear algebra

Well, the span of two vectors is basically a way of asking, what are all the possible vectors you can reach using only these two fundamental operations, vector edition and scalar multiplication?

好的 两个向量张成的空间基本上是一种问 你能得到的所有可能的向量是什么只用这两个基本操作 向量编辑和标量乘法?

中文百科

标量

考虑流入和流出节点的电流,其矢量和(vector sum)并不相等。

标量Scalar),又称标量,是只有大小,没有方向的量,所以可以用实数表示的一个量。标量可以是负数,例如温度低于冰点。与之相对,矢量(又称矢量)既有大小,又有方向。

在物理学中,标量是在坐标变换下保持不变的物理量。例如,欧几里得空间中两点间的距离在坐标变换下保持不变,相对论四维时空中时空间隔在坐标变换下保持不变。与此相对的矢量,其分量在不同的坐标系中有不同的值,例如速度。

英语百科

Scalar 纯量

Scalar may refer to:

近义、反义、联想词
近义词
n.
variable, variable quantity

adj.
scale, musical scale

联想词
tensor张量;invariant无变化的,不变的;vector矢量;integer整数;vectors向量;topological拓扑的;symmetric相称性的,均衡的;algebraic代数的;quadratic二次的;gravitational万有引力的;variable易变的,多变的;
英英词典
scalar n.
  1. a variable quantity that cannot be resolved into components
scalar adj.
  1. of or relating to a musical scale
    • he played some basic scalar patterns on his guitar
  2. of or relating to a directionless magnitude (such as mass or speed etc.) that is completely specified by its magnitude
    • scalar quantity
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更新时间:2025/6/19 7:10:20