Students' major difficulties in math's reading comprehension are listed as follows: 1, understanding mathematical language difficulty, specifically including difficulty in understanding mathematical terms and sentences, in identifying mathematical graph information and algebraic expression.
学生在解决数学阅读理解问题时面对的主要困难是:1、数学语言理解困难,具体包括:数学词语理解困难、数学句子理解困难、数学图形信息识别困难、代数式信息识别困难;
Relative to CID, in 2004 year, the new electron transfer dissociation ( ETD) technology is a gentler and more suitable technology for identifying multi-charged long peptides and keeps peptides PTM information.
相对于CID,2004年发展的新型电子转移解离(ETD)技术更为温和,适于分析多电荷的长肽段,并能够保持肽段上的后修饰信息。
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