Esophagus fistula method and microscopic examination technique were used to analysis the botanical composition, and preference index of forage selected by grazing sheep on alpine pasture.
利用植物显微技术镜检法和食道瘘管法对放牧绵羊采食的高山草原植物成分与嗜食性指数进行分析。
the composition on the wall isactually woodblock prints of plants from an old french botanical dictionarythat i found on ebay.
墙上的一组装饰是一本古董法国植物字典的印刷刻板，我从ebay上淘来的。
the composition on the wall isactually woodblock prints of plants from an old french botanical dictionarythat i found on ebay.
墙上的一组装饰是一本古董法国植物字典的印刷刻板，我从ebay上淘来的。
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