释义 |
lanthanide series【化】 镧系 lanthanide series lanthanide series n.(名词)The set of chemically related elements with properties similar to those of lanthanum, with atomic numbers from 57 to 71; the rare-earth elements.镧系元素:和镧的特性相似的一组化学上相关的元素,原子序数从57到71;稀土元素 |