residual词源
发布于：2025-07-05 14:43浏览量：111文/优校网
英文词源
- residual (adj.)
- 1560s, from residue + -al (1), or from French résiduel, from Latin residuum.
- residual (n.)
- 1550s, in mathematics, from residual (adj.) or from residue + -al (2). Residuals "royalties" attested by 1960.
