The fracture energy GF of concrete is one basic material characteristic, representing the energy necessary to create a unit area of fracture surface.

混凝土断裂能G _ F是材料的一个基本性能，表示扩展单位裂缝面所需要的能量。

youdao

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.

对翼点的正中一击，哪怕是来自颅骨其他部位的外力冲击，都有可能导致这个薄弱区域的骨折，并伴随下层的动脉破裂。

youdao

It must not be over-displaced otherwise the critical near-wellbore area of the fracture will not be propped.

它绝对不能过度驱替，否则裂缝的关键周边区域(靠近井筒)将得不到支撑。

youdao

Two segments of rail in the area of the fracture also had been removed and are being sent to a laboratory for analysis, he said.

CNN: 9 still hospitalized after Connecticut train collision

Professor David Coggon and his team looked at the cases of 914 hip fracture patients and 1196 people, also from the Hartlepool area, who had not suffered from the condition, reports the medical journal The Lancet.

BBC: Fluoride 'does not cause fractures'