light-inducedCOCA³¹⁵¹¹¹⁺⁴BNC¹⁷³⁹⁹⁵⁺² 基本例句 🌏光诱导 Ferromagnetic kind material after magnetization, the internal magnetic light-induced very neat, the direction to align, magnetic strengthening, constitutes the magnet. 铁磁类物质磁化后，内部的磁畴整整齐齐、方向一致地排列起来，使磁性加强，就构成磁铁了。 xsj521