YTM到期收益(率) Yield To Maturity 的缩写Ytn.[化]钇yttrium iron garnet ferrite石榴石铁氧体yttria-stabilizedzirconia掺钇氧化锆yttrium barium copper oxide钇钡铜氧yttria-stabilized zirconia氧化钇稳定氧化锆ytterbium foil stress sensor箔式镱压力传感器yttrium iron-garnet device钇铁石榴石器件yttrium alumium garnet laser钇铝石榴石激光器yttrium aluminum garnet laser钇铝石榴石激光器yag 激光器yttrium lithium tetrafluoride四氟化钇锂Ytterbium-doped fiber laser掺镱光纤激光器