Because of this unique location, certain atmospheric, thermal, chemical and optical characteristics are found which occur nowhere else in the world.

由于这种独特的地理位置，这里有世界上其他地方找不到的某些大气、热、化学和光学的特征。

This family of glasses fabricated by Chinese researchers exhibits good glass-forming abilities and optical characteristics, and these glasses are amenable to three-dimensional-printed additive manufacturing and mold casting.

中国研究人员制造的这一玻璃家族表现出良好的玻璃成型能力和光学特性，并且这些玻璃适合三维印刷增材制造和模具铸造。