| 释义 |
rare-earth elements
基本英英例句
稀土元素原型rare-earthelement的复数
名词 rare-earth element:
any element of the lanthanide series atomic numbers 57 through 71The color of Apatite is often due to the presence of rare earth elements.磷灰石的颜色常取决于存在的稀土元素。
This method could determine many non-REE in enriched-europium mixture rare earth oxide at a time and it was a rapid method.该方法能同时测定富铕混合稀土氧化物中多种非稀土元素的含量，提高了分析速度。 |