Prices are regulated by the law of supply and demand in a free market.

解放市场的物价由供求干系规律来调理。

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Prices are regulated by the law of supply and demand in a free market.

自由市场的物价由供求关系规律来调节。

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This paper will introduce the design of DC regulated power supply in detail.

本文对直流稳压电源的设计进行了详细介绍。

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This paper will introduce the design of DC regulated power supply in detail.

本文对直流稳压电源的设计进行了详细介绍。

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