在债务能自由流动的时期，这可能是一种很好的运营模式。
In times when debt is flowing freely, these can be good businesses to operate.
从热力学定律出发，利用自由能函数和耗散函数，通过严格的理论推导得到屈服函数、流动法则和硬化规律。
Starting with the first and second laws of thermodynamics, the free energy function and dissipation potential function are discussed;
从热力学定律出发，利用自由能函数和耗散函数，通过严格的理论推导得到屈服函数、流动法则和硬化规律。
Starting with the first and second laws of thermodynamics, the free energy function and dissipation potential function are discussed;
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