这种病毒结合了人类，鸟类和猪类的病毒。

The virus combines human, bird and pig viruses.

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第三类是研究病毒和恶意软件的代码。

The third category is studying virus and malware code.

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因为这是这一类病毒中的首例，很自然地他引起了反病毒厂商的注意。

As the first of its kind, it naturally attracted the attention of antivirus companies.

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这第一次证实了甲类流感病毒可以引起犬类疾病。

This was the first evidence of an influenza A virus causing disease in dogs.

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计算机病毒是一类很常见的信息安全威胁。

Computer virus is one common information security threaten.

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计算机病毒是一类很常见的信息安全威胁。

Computer virus is one common information security threaten.

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