合金定义
Colours of gold alloys - Definition, range of colours and designation───金合金的颜色.颜色和命名的定义和范围
broad definition───广泛的定义
by definition───按照定义；当然地；明显地
legal definition───法律定义
narrow definition───狭义解释
precise definition───[计]精确定义
alloyed junction───n.合金结
high definition───[电视]高清晰度