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The laboratory procedure and the experiment phenomena had been described in detail.
文中对实验步骤和实验现象做了详细的描述.
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DNA fingerprint is a laboratory procedure that requires several steps.
指纹鉴定是需要几个步骤的实验室过程.
英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。