单词：rare-earth
rare-earth的用法和样例：
例句
- At present, rare earth-containing nodular irons are developing still fast in China.目前含稀土的球铁仍在中国迅速发展。
- Rare earth luminescence materials of alkaline earth stannates have also been prepared via thermal decomposition of hydroxo stannate precursors.利用某些新型带羟基的碱土锡酸盐作为前驱体，固相反应合成掺稀土的锡酸盐发光材料。
单词：rare-earth 相关文章
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Rare Astronomical Event to Occur June 5-6 Skywatchers on all seven continents will get a chance to witness an astronomical rarity on June 5 or 6, the transit of the planet Venus. It is likely the last time anyone alive today will have a chance to vie
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