Fracture diagnosing technique is mainly classified into: direct far field fracture diagnosing, direct near well bore fracture diagnosing and indirect fracture diagnosing.
裂缝诊断的方法主要可分为:直接的远场裂缝诊断技术、直接的近井筒诊断技术、间接诊断方法。
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A direct blow to the pterion, or even an indirect blow to another part of the skull, may cause a fracture to this weak area, with an associated rupture of the underlying vessel.