They looked at five variables: duck abundance, human population, chicken Numbers, elevation and rice cropping intensity.
他们考察了五个变数：鸭丰度，人口，鸡只数量，海拔高度和水稻种植密度。
Researchers reviewed three outbreaks in early 2004 through late 2005. They looked at five variables: duck abundance, human population, chicken Numbers, elevation and rice cropping intensity.
研究人员检查了2004年初到2005末的三次爆发，他们注意到了五个变化的因素：鸭子的多少，人类的人口，鸡的数量，海拔和稻米种植密度。
In October 2004, captive tigers fed on fresh chicken carcasses began dying in large Numbers at a zoo in Thailand.
2004年10月，泰国一家动物园中，以新鲜死鸡为食物的老虎大批死亡。
Newly hatched at Fossil Rim Wildlife Center in Glen Rose, Texas, this Attwater's prairie-chicken is part of a captive breeding program aimed at increasing the birds' Numbers in the wild.
在德克萨斯州的玫瑰谷，一只阿特沃特草原鸡刚刚在化石边缘野生动物中心孵化出来，这是一个圈养项目的一部分，该项目旨在提高野生鸟类的数量。
Newly hatched at Fossil Rim Wildlife Center in Glen Rose, Texas, this Attwater's prairie-chicken is part of a captive breeding program aimed at increasing the birds' Numbers in the wild.
在德克萨斯州的玫瑰谷，一只阿特沃特草原鸡刚刚在化石边缘野生动物中心孵化出来，这是一个圈养项目的一部分，该项目旨在提高野生鸟类的数量。
应用推荐