met.al.log.ra.phy
n.（名词）The study of the structure of metals and alloys, especially by optical and electron microscopy and x-ray diffraction.金相学，金属结构学：以金属与合金结构为研究对象的学科，尤指用光学和电子显微镜使用法和X射线衍射法为研究手段的
【引伸】
met.allog.rapher
n.（名词）metal.lograph.ic
metal.lograph.ically
adv.（副词）
