In addition to writing on bones, the Chinese also made marks on turtle shells.

除了在骨头上写字，中国人还在龟壳上做标记。

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This paper reports a new method to identify the Chinese drug turtle shells using PCR product direct sequencing method.

用PCR产物直接测序法对中药材龟甲（板）进行鉴别。

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This paper reports a new method to identify the Chinese drug turtle shells using PCR product direct sequencing method.

用PCR产物直接测序法对中药材龟甲（板）进行鉴别。

youdao