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。
Especially the contribution to crack initiation life of the ground-air-ground circle in the crack growth formula 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。
Especially the contribution to crack initiation life of the ground-air-ground circle in the crack growth formula is underestimated under the transport spectra.
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