定義 — 英語
- Something closely related to another thing and dependent on it for its existence, value, or significance: Growth is a function of nutrition.
- Mathematics A variable so related to another that for each value assumed by one there is a value determined for the other.
- Mathematics A rule of correspondence between two sets such that there is a unique element in the second set assigned to each element in the first set.
- Chemistry The characteristic behavior of a chemical compound, resulting from the presence of a specific functional group.