YTM到期收益(率) Yield To Maturity 的缩写Ytn.[化]钇yttrium aluminate laser铝酸钇激光器ytterbium stress sensor镱应力传感器yttrium aluminum borate四硼酸铝钇yttrium aluminum garnet钇铝石榴石yttrium vanadate crystal钒酸钇晶体yttiuminium garnet laser钇铝石榴石激光器yttrium aluminmiu garnet钆铝石榴石ytterbium gallium garnet镱镓石榴石yttria-zirconia powder氧化钇-氧化锆粉体Yttrium aluminum garnets钇铝石榴石