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[综合讨论] 对于一个复数求正弦,余弦和sign函数意味着什么? |
发表于 2006-4-10 15:07
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回复:(yuqing)对于一个复数求正弦,余弦和sign函数...
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发表于 2006-4-10 23:35
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发表于 2007-11-20 12:42
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发表于 2007-11-20 13:57
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