approximationWiktionary 原文中文来自 ECDICTn.接近，近似值构词拆分approximate词根/词干+-ion后缀(no longer productive) An action or process, or the result of an action or process. · (no longer productive) A state or condition.词源说明From approximate + -ion.释义（英文）名词 Noun(uncountable, countable) The act, process or result of approximating, as:词族派生词（12）misapproximationpseudoapproximationreapproximationapproximation algorithmover-approximationunderapproximationoverapproximationapproximation problemapproximation propertyapproximation theoryto a first approximationapproximation error