序列 xùliè sequence
How to remember 序列: 序 order + 列 line up = sequence.
Characters
How it is used
- An ordered sequence/series - 基因序列 (jīyīn xùliè) a gene sequence; 时间序列 (shíjiān xùliè) a time series.
- Technical/written; stresses that items are arranged in a definite order, unlike 系列 (xìliè), which just means a set/series (a product line).
- Common in science, computing, and data (数列/序列).