非货币性资产交换过程不只是物与物的交换过程，不但包含清偿债务的资产交易行为，还可以包括待售资产的交换。这些非货币性资产的交换由于放弃传统的货币中介，所以交换的关键是资产计价问题。非货币资产交换之所以能得以实现，首要的因素是转移价值具有对称性。这种对称性往 The process of non-monetary asset exchange is not only the exchange of goods and materials, but also the exchange of assets for sale. The exchange of these non-monetary assets due to abandon the traditional currency intermediaries, so the key is the exchange of assets valuation issues. The reason why the exchange of non-monetary assets can be realized is that the primary factor is the symmetry of the transferred value. This symmetry goes