文章首先介绍了课题来源和研究背景。
The source and the research background of this project are introduced firstly.
本文研究了全血和血清背景吸收的来源及特点。
The character and source of background absorption of whole blood and serum are studied.
本文研究了全血和血清背景吸收的来源及特点。
The character and source of background absorption of whole blood and serum are studied.
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