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单词 Principal argument
释义

Principal argument

原声例句
PBS访谈社会系列

What are their principal arguments against this?

他们反对的主要理由是什么?

精选英语短文

A principal argument for shorter hours that gained prominence during the 1930s was the notion that scarce opportunities for gainful employment ought to be shared among the largest possible number of workers.

在 1930 年代, 支持缩短工作时间的一个主要论点是认为稀缺的有酬就业机会应该由尽可能多的工人分享。

中文百科

复数 (数学) Complex number

(重定向自Principal argument)
函数f(x)=(x²-1)(x-2-i)²/(x²+2+2i)的绘图。色相表示函数的辐角,饱和度与明度表示函数的幅值。
X = A + B
X = AB
X = A*

复数,为实数的延伸,它使任一多项式方程序都有根。复数当中有个「虚数单位」i,它是-1的一个平方根,即i ^2 = -1。任一复数都可表达为x + yi,其中xy皆为实数,分别称为复数之「实部」和「虚部」。

复数的发现源于三次方程的根的表达式。数学上,「复」字表明所讨论的数域为复数,如复矩阵、复变函数等。

英语百科

Complex number 复数 (数学)

(重定向自Principal argument)
A complex number can be visually represented as a pair of numbers (a, b) forming a vector on a diagram called an Argand diagram, representing the complex plane.
An illustration of the complex plane. The real part of a complex number z = x + iy is x, and its imaginary part is y.
Figure 1: A complex number plotted as a point (red) and position vector (blue) on an Argand diagram; a+bi is the rectangular expression of the point.

A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit, that satisfies the equation i = −1. In this expression, a is the real part and b is the imaginary part of the complex number.

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更新时间:2025/6/21 16:43:48