an imaginary
The equation has an imaginary.
这个方程有一个虚数。
社会想象；集体想象；想象；幻想；(数学)形如a+bi的数,a和b为实数,i是-1的平方根；特定社会群体共同的价值观、制度、法律和象征,以及人们借此想象其社会整体的相应社会。
An imaginary number, i.e. a number that can be written as a + bi, where a and b are real numbers and i is the square root of -1.
想象；幻想
Imagination; fancy.
(数学)形如a+bi的数,a和b为实数,i是-1的平方根
(mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
虚数。
An imaginary number.
特定社会群体共同的价值观、制度、法律和象征,以及人们借此想象其社会整体的相应社会。
The set of values, institutions, laws, and symbols common to a particular social group and the corresponding society through which people imagine their social whole.
In complex numbers, the real part and the imaginary are combined as a+bi.
在复数中，实部和虚部组合成 a+bi 的形式。
用法提示：此处 'imaginary' 为名词，指虚数部分。
The equation has two solutions, one real and one imaginary.
这个方程有两个解，一个是实数，一个是虚数。
用法提示：'imaginary' 作名词，表示虚数解。
We need to separate the real from the imaginary in this matrix.
我们需要在这个矩阵中将实数与虚数分开。
用法提示：'imaginary' 指代虚数，与实数相对。
The equation has an imaginary.
这个方程有一个虚数。
The imaginary is often denoted by i.
虚数通常用i表示。
grammar · medium
易错句子An imaginative number has both real and imaginary parts.
正确表达An imaginary number has both real and imaginary parts.
混淆了'imaginative'（富有想象力的）和'imaginary'（虚数的）。在数学术语中，虚数应为'imaginary number'，而非'imaginative number'。
grammar · medium
易错句子The complex number includes a real and an imaginary.
正确表达The complex number includes a real part and an imaginary part.
将'imaginary'单独用作名词时，在数学语境中通常指虚数本身，但这里需要指明'imaginary part'（虚部），以与'real part'（实部）对应。直接用'an imaginary'可能引起歧义。
imaginary（数学名词）指形如a+bi的数；imagination（名词）指想象力，与数学无关。
imaginary 指数学中的虚数，不用于描述人；imaginative 指有创造力的，常用于形容人。
虚数
The square root of -1 is an imaginary number.
-1的平方根是一个虚数。
虚部
The imaginary part of the complex number is 3.
这个复数的虚部是3。
虚数单位
The imaginary unit i is defined as the square root of -1.
虚数单位i定义为-1的平方根。
虚轴
Points on the imaginary axis correspond to purely imaginary numbers.
虚轴上的点对应纯虚数。
虚数分量
The imaginary component of the signal is zero.
信号的虚数分量为零。
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