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Notice: Undefined index: HTTPS in /www/wwwroot/mengmianren.com/wp-content/plugins/dessky-cache/dessky-cache.php on line 43 次邻位效应是指增长过程中,单体的反应活性不仅与活性分子的末端链节结构有关,而且与前面一个链节结构有关 – 萌面人博客