中文摘要：

零距拉伸是评价微尺度木材纵向力学强度的有效手段之一。本文阐述了零距拉伸的原理和应用，着重介绍了零距拉伸在木材纤维强度评价，物理化学处理对微尺度木材强度的影响，和在古建筑强度评价中的应用前景。

英文摘要：

Zero-span tension technology is a novel and reliable method for assessing the axial tensile strength of softwood tracheids. The basic concepts and principles, especially prospects in wood fiber mechanical properties, differential treatment on microsamples and ancient timber structures, have been introduced in this paper.