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1.Specialized mining techniques have been developed to extract rare minerals from deep underground.
开发了专门的采矿技术，用于从地下深处提取稀有矿物。
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2.The specialized mining industry is responsible for the extraction of valuable metals and gemstones.
专门化的采矿行业负责提取有价值的金属和宝石。
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3. Mining companies are required to follow strict environmental regulations when conducting specialized mining operations.
在进行专门化采矿操作时，矿业公司必须遵守严格的环境规定。