4 个月
ZME Science on MSNWhy does nature keep making perfect cubical pyrite crystals?There are seven major crystallization systems in mineralogy, each defined by unique symmetry properties and angles. The seven ...
For additional information about GT Advanced Technologies, please visit www.gtat.com. GT Crystal Systems manufacturers Sapphire and Ti:Sapphire for optics, IR applications, windows, domes, laser rods, ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果