amorphous materia

• 无定形物质

amorphous materia的用法和样例：

例句

1. In a few hours the amorphous sulfur reverts to small rhombic crystals and its rubbery property disappears.
   过上几个小时无定形硫就会转变成结晶的单斜硫，它的弹性也会消失。
2. Factors influencing pore structure of amorphous silica-alumina prepared by carbonization were investigated.
   摘要系统考察了影响碳化法制备无定形硅铝孔结构的因素。