gross beta spectrum 总贝他能谱

gamma-coincidence beta spectrum 加马符合贝他谱

beta ray spectrum 射线谱

extended spectrum beta-lactamases 内酰胺酶

continuous beta ray spectrum 连续射线谱

beta rays spectrum 贝他线光谱

beta-ray spectrum 贝他射线谱

extended-spectrum beta lactamase 延伸光谱内酰胺酶

producing extended spectrum-beta-lactamase 产超广谱β内酰胺酶