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光致变色物质在数字显示、伪装、装饰及辐射线防护等方面有应用潜力。近年来人们对有机光致变色化合物吲哚啉螺苯并吡喃、螺萘并(口恶)嗪和螺苯并噻喃给予更多的关注。对这些
Photochromic materials have potential applications in digital display, camouflage, decoration and radiation protection. In recent years, people have given more attention to the organic photochromic compounds indolinospirobenzopyran, spiro naphthalene and spirochirane. Right for these