Precursor
发表于 2025-3-28 14:47:09
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极力证明
发表于 2025-3-28 21:53:56
Multiple GPS Track Information Fusion,y tiny crystals form, and these then grow together to form a solid polycrystalline mass. By cooling slowly and carefully, one can instead grow large single crystals, and single crystals of silicon, for example, have long been the starting material for the semiconductor industry.