1. a mineral consisting of scandium yttrium silicate; a source of scandium. 
   一种由钪钇硅酸盐组成的矿物，是钪的来源。
2. calcium and phosphate metabolism 
   钙磷代谢
3. chemical processing of phosphate rock 
   磷矿化学加工
4. phosphate fertilizer by thermal process 
   热法磷肥
5. phosphate fertilizer by wet process 
   湿法磷肥

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