Especially the contribution to crack initiation life of the ground-air-ground circle in the crack growthformula is underestimated under the transport spectra.
特别是运输机谱中的地—空—地循环，在裂纹扩展的公式中对裂纹形成寿命的贡献估计不足。
2
Growth is constant after the horizon (3 years), so we can modify the constant growthformula to find the value of all free cash flows beyond the horizon, discounted back to the horizon.