They selected 10 CDs they would like to own and ranked them by preference.
他们可以选择10张想买的CD，并按喜好排序。
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。
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。
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