1·A dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals.
一种黑色矿物，由钇、铒、钽和其他矿物的氧化物组成。
2·A novel double - cladding erbium - ytterbium co - doped fiber amplifier (EYCDFA) based on phosphate glass fiber is proposed.
提出了一种新的基于磷酸盐的铒镱共掺双包层掺铒光纤放大器。
3·A mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium.
作为稀有土壤来源的一种矿物，由铁、铍、铈、钇、铒的硅酸盐矿物构成。
4·Objective To study the application of erbium laser in minimal intervention dentistry.
目的研究铒激光在最小干预牙科技术中的应用。
5·An experimental research on phosphate erbium glass laser and its free-lasing and rotating mirror Q-switching properties are described.
叙述磷酸盐铒玻璃激光器的偿试性实验研究及其静态和转镜调q特性。