polycrystalline [pɒlɪ'krɪstəlaɪn]

例句:

• One determines a directionally dependent property in a polycrystalline specimen.
  用多晶样品来测量有方向性的特征.
  
• One may use a polycrystalline sample rather than a single crystal for many studies.
  我们可以用一种多晶样品代替单晶进行多方面的研究.
  
• Selected - area electron diffraction ( SAED ) confirmed that SnO 2 nanorods are polycrystalline.
  选区电子衍射证实了SnO2是多晶态.