Chineseresearchershavemadeabreakthroughindevelopingnewmaterialsfornickel-hydrogenbatteriesusedinlowtemperatures,Inhaulreported.
['A.\n中国研究者已经在开发新材料用于低温下使用的镍氢电池方面有了突破,据新华社报道。', 'B.\n新华社报道,中国科学家在从事新材料制造低温镍氢电池方面有了突破。', 'C.\n新华社报道,中国研究人员在开发利用新材料制造在低温下使用的镍氢电池方面已有了突破。', 'D.\n中国研究者在开发新材料制造低温镍氢电池有了重大突破,这是新华社报道的。']
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