1)adjunction of an identity element,单位元的附加2)additional element,附加单元3)boundary additiona,边界附加单元4)additive identity,加法单位元;加法恒等元5)Unit capital economy attachment value,单位资本经济附加值6)attached device,附加元件
用法和例句
An additional element used in numerical analysis for slot instead of well curtain;
