1、
Tortoises seem to preferentially put the available calcium in the plastron.
龟们似乎更喜欢把可用的钙质添加到他们的胸甲中.
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2、
Objective : To identify the commercial Chinese medicines turtle shell and tortoise plastron.
目的: 鉴定鳖甲、龟甲类商品药材.
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