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1.The rare-earth chelate is a key component in the new battery technology.
稀土螯合物是新型电池技术的关键成分。
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2. The research on rare-earth chelate has great potential for future development.
关于稀土螯合物的研究具有很大的发展潜力。
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3. The production of rare-earth chelate requires strict environmental protection measures.
稀土螯合物的生产过程中需要严格的环境保护措施。