Therefore, we concluded that migratory birds would spread AIV in its eruptive period.
因此, 该次疫情中候鸟中存在传播禽流感病毒的可能性.
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The luxuriant water plants and grass on the island attract huge flocks of migratory birds.
岛上水草丰美,吸引了大批候鸟.
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Yiyang , the site of the outbreak , lies next to Lake Dongting, which hosts many migratory birds.
爆发地 宜阳 临近许多候鸟的聚集地洞庭湖.
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On 20 th, a migratory bird flies from the north woods, revolves the spacious square to circle.
20日, 一只候鸟从北边的树林里飞来, 围绕着空旷的广场盘旋.
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The part of migratory birds play in spreading the virus is still being studied.
一部分候鸟在传播该种病毒方面的作用现在仍处于研究阶段.
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黑暗像潮水吞没几百亿个星球. 向日葵大片枯死.候鸟成群结队地送葬.
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夏候鸟、留鸟、旅鸟、冬候鸟分别为23、21、11、2种；古北界、广布种、东洋界鸟类分别为29、22、6种。
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The main protection for necked cranes and other migratory birds and their habitat.
主要保护对象为黑颈鹤等候鸟及其栖息环境.
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Migratory birds fly long distances between a winter home and a summer home.
候鸟要在冬巢和夏巢之间飞很远的距离.
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