noun
In computing, a contiguous sequence of characters within a string.
この関数は文字列から部分列を抽出します。
This function extracts a substring from a string.
noun
subsequence
In mathematics, a sequence derived from another by selecting elements in order, not necessarily contiguous.
数列の部分列を考えるとき、元の順序を保つ必要がある。
When considering a subsequence of a sequence, the original order must be preserved.