日本官员证实在一家禽养殖农场发现的禽流感病毒属于致命的H5N1型。
Officials in Japan have confirmed that the bird flu virus found at a poultry farm is the deadly H5N1 strain of the disease.
而在欧洲，大多数家禽都养殖在管控严格的经济农场中。 。
In Europe, by contrast, most poultry are kept in regulated commercial farms.
而在欧洲，大多数家禽都养殖在管控严格的经济农场中。 。
In Europe, by contrast, most poultry are kept in regulated commercial farms.
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