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a complex number
不定冠词a用于泛指任意一个复数。
A complex number has both real and imaginary parts.
一个复数包含实部和虚部。
复数
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复数
A number of the form a + bi, where a and b are real numbers and i denotes the imaginary unit.
A complex number has both real and imaginary parts.
一个复数包含实部和虚部。
形如a+bi的数,其中a和b为实数,i为虚数单位
A number of the form a + bi, where a and b are real numbers and i denotes the imaginary unit.
In algebra class, we learned how to add and subtract complex numbers.
在代数课上，我们学习了如何加减复数。
A complex number has both a real part and an imaginary part.
复数包含实部和虚部。
The engineer used a complex number to represent the alternating current.
工程师用一个复数来表示交流电。
不定冠词a用于泛指任意一个复数。
A complex number has both real and imaginary parts.
一个复数包含实部和虚部。
定冠词the用于特指某个复数。
The complex number z = 3 + 4i is shown on the graph.
复数z = 3 + 4i在图中标出。
复数形式表示复数集合或一般概念。
Complex numbers are used in engineering and physics.
复数用于工程和物理学中。
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数学术语，可数名词
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Dictionary facts from ECDICT, WIKTIONARY.