磷矿中伴生的微量稀土作为一种潜在的稀土资源，开展综合回收稀土的研究具有重要意义。
It was of great importance to research the recovery of trace rare earths from phosphorite, which was a kind of potential rare earth resources.
取消原油、木材、纸浆、山羊绒、鳗鱼苗、稀土金属矿、磷矿石、天然石墨等附件三所列明货物的出口退税政策。
The policies on tax refund for export of crude oil, wood, paper pulp, fine goat hair, eels, rare earth minerals, phosphorus ores, natural graphite and other goods listed in Annex 3 shall be cancelled.
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