母离子扫描模式是扫描共同（指定）子离子的所有母体（母离子），通常也用于结构解析。 The centimeter is part of the metric method, adopted for most international locations these days. The base device may be the meter, which happens to be outlined by the distance gentle travels in vacuum inside a fraction of the next. A centimeter is outlined as one/100 of the meter, https://richardq863hkg0.mysticwiki.com/user