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本文介绍断裂力学基本概念及其在木材科学中的应用，应力强度因子的测试方法和计算方法以及国内外木材断裂力学的研究现状。
This paper introduces the basic concepts of fracture mechanics and its application in wood science, stress intensity factor test method and calculation method as well as the domestic and international research status of wood fracture mechanics.