YTM到期收益(率) Yield To Maturity 的缩写Ytn.[化]钇yttrium aluminium garnet钇铝石榴石ytterbium orthophosphate磷酸镱yttrium lithium fluoride钇锂氟化物yttrium aluminate crystal铝酸钇晶体yttrium silicates coating硅酸钇涂层ytterbium aluminium garnet镱铝石榴石yttria stabilized zirconia氧化钇稳定氧化锆yttrium hydropyrophosphate焦磷酸氢钇yttrium-aluminium garnet钇榴石ytohemagglutin phytolectin植物血凝素