They can be expressed as two parabolas and four empiric V_p-V_s formulas.
They can be expressed as two parabolas and four empiric V_p-V_s formulas.
它们可以拟合表达成两条抛物线,四个V_p、V_s互推公式。
They can be expressed as two parabolas and four empiric V_p-V_s formulas.
它们可以拟合表达成两条抛物线,四个V_p、V_s互推公式。