作者首先报告传染性法氏囊病在保定地区已经存在。
The authors first reported that there is Infectious Bursal Disease in Baoding region.
西陵地区是河北保定一带植被保存较好的地带。
The vegetation in Xi-Ling (West Tomb) region, Bao-Ding Prefecture of Hebei province has been relatively well preserved.
西陵地区是河北保定一带植被保存较好的地带。
The vegetation in Xi-Ling (West Tomb) region, Bao-Ding Prefecture of Hebei province has been relatively well preserved.
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