得到了波动方程的解的反演公式及等距等式，为再生核理论的应用提供了新的思路。
Then we prove the isometrical identity and inversion formula of the solution of the wave equation.
最后根据本文的试验结果，建议了两种情况下不同再生骨料掺入量混凝土的基本力学性能计算公式。
Some equations for the properties of concrete with different percentages of recycled aggregate of the two cases are proposed based on the test results.
基于试验结果，建议了再生混凝土早期抗压强度和弹性模量的计算公式。
Based on the test results, calculation equations for compressive strength and elastic modulus of recycled aggregate concrete were proposed.
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