例句與造句

1. Research on yttrium oxysulfide phosphor doped with eu3 + is to made to develop a new high - efficient , steady and red phosphor without radioactive substance
   以期發(fā)展一類不含放射性物質(zhì)的安全、高效，穩(wěn)定的新型紅色長余輝磷光體。
2. It's difficult to find phosphor doping in a sentence. 用phosphor doping造句挺難的