China is a large agricultural country, also is a country scarce of natural resource.
中国是一个农业大国，也是一个农业资源相对匮乏的国家。
The principle, characteristics and the status quo of using the natural cold resource for ice-making to preserve the fresh agricultural products are demonstrated.
提出有控制地储存冬季的冷资源用于农产品的贮藏保鲜。
The principle, characteristics and the status quo of using the natural cold resource for ice-making to preserve the fresh agricultural products are demonstrated.
提出有控制地储存冬季的冷资源用于农产品的贮藏保鲜。
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