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.

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。

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