国家科委为了推广无汞高功率电池，给出许多优惠政策。
The National Science and Technology Committee has given many profitable policies for promoting the development of mercury-free high power batteries.
国家科委为了推广无汞高功率电池，给出许多优惠政策。
The National Science and Technology Committee has given many profitable policies for promoting the development of mercury-free high power batteries.
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