The co-educational' Gem Identification and Business Management' Minor has obtained nice effects and extensive welcome since it was founded two years ago.
前言: “珠宝鉴定与营销管理”跨校辅修专业开设二年来,得到了上海市东北片区高校学生的广泛欢迎,取得了较好的效果。
The infrared spectroscope has been widely used in gem research and identification. The direct transmission technique is the most common method in measuring infrared spectrum of gemstone.
红外光谱仪已广泛地应用于宝石研究与鉴定,其中直接透射技术使用最广泛。
The infrared spectroscope has been widely used in gem research and identification. The direct transmission technique is the most common method in measuring infrared spectrum of gemstone.
红外光谱仪已广泛地应用于宝石研究与鉴定,其中直接透射技术使用最广泛。
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