As stress builds up in the crust right before an earthquake, microfractures allow these gases to escape to the surface.
地震前,随着压力在地壳中变大,这些气体可以通过微小的裂缝溢出地表。
单词 | Microfracture |
释义 |
Microfracture
原声例句
As stress builds up in the crust right before an earthquake, microfractures allow these gases to escape to the surface. 地震前,随着压力在地壳中变大,这些气体可以通过微小的裂缝溢出地表。 双语版 TED-Ed 演讲精选 To a technique called microfracture, where surgeons create small holes in the bone, allowing bone marrow stem cells to leak out and form new cartilage. 还有一种微骨折的技术,在这种技术中,外科医生会在骨骼上打小孔,从而使骨髓干细胞流出并生成新的软骨。
中文百科
断裂力学 Fracture mechanics(重定向自Microfracture)
断裂力学是研究含裂纹构件强度与寿命的一门固体力学的新分枝,结构损伤容限设计的理论基础。可以分为线弹性断裂力学与弹塑性断裂力学两大类别,前者适用于裂纹尖端附近小范围屈服的情况;而后者适用于裂纹尖端附近大范围屈服的情况。就目前情况而言,弹塑性断裂力学发展很快,但是线弹性断裂力学在结构损伤容限设计中仍然占据重要地位。
英语百科
Fracture mechanics 断裂力学(重定向自Microfracture)
![]() ![]() ![]() ![]() Fracture mechanics is the field of mechanics concerned with the study of the propagation of cracks in materials. It uses methods of analytical solid mechanics to calculate the driving force on a crack and those of experimental solid mechanics to characterize the material's resistance to fracture. |
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