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字词 虚数
释义 虚数xūshù
1.复数ɑ+bi中,当b≠0时叫做虚数,如1-3i;当ɑ=0, b≠0时叫做纯虚数,如5i。{imaginary number. In the complex number a+bi, when b≠0 it is an imaginary number, as 1-3i; when a=0, b≠0, it is a pure imaginary number, as 5i.}参看see【复数】{fùshù}
2.虚假的不实在的数字。{unreliable figure}
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