庞大的灌溉系统是红河流域梯田农业的基石,也是红河流域农业文明的重要标志。
The colossal irrigation system is not just the footstone of the terrace agriculture, but also is the symbol of the agricultural civilization in the reaches of Red River.
庞大的灌溉系统是红河流域梯田农业的基石,也是红河流域农业文明的重要标志。
The colossal irrigation system is not just the footstone of the terrace agriculture, but also is the symbol of the agricultural civilization in the reaches of Red River.
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