rare old异乎寻常的, 极度的
rareadj.罕见的;珍贵的;煎得嫩的
rare earth-based hydrogen storage alloy稀土系贮氢合金
rare earth-magnesium intermediate alloy稀土-镁中间合金
Rare-earth elements conversion coatings稀土表面转化膜
rare-earth ion-doped nonlinear crystal掺稀土离子非线性晶体
rare earth-modified cold-fill material稀土改性冷补材料
rare earth fluorescent permeating-tracer稀土荧光渗透探伤仪
rare earth-silicon-magnesium ferroalloy稀土硅镁铁合金
rare earth dioctyldithiophosphate complexes二辛基二硫代磷酸稀土配合物