The surface antigen , E antigen , front S1 antigen are negative , the surface antibody , E antibody , core antibody are positive , make an explanation once meaning , whether regards or not please?
表面抗原、E抗原、前S1抗原呈阴性，表面抗体、E抗体、核心抗体呈阳性，请解释一下意思，好不好？
Blog, as a new tool or platform of communication, brings about a profound impact and change to the modern life, and this includes both positive and negative affect meaning.
博客，作为一种全新的传播交流工具，或平台，给现代人的生活带来了深刻的影响和改变。
Blog, as a new tool or platform of communication, brings about a profound impact and change to the modern life, and this includes both positive and negative affect meaning.
博客，作为一种全新的传播交流工具，或平台，给现代人的生活带来了深刻的影响和改变。
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