The theories analysis, simulation and experiment results prove that the stress wave methods can testing the inner decay of log.
本文从理论分析、模拟仿真到试验结果，均证明了应力波能够检测原木内部腐朽。
参考来源 - 基于应力波原木内部腐朽检测理论及试验的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The application of expert system on forestry is introduced simply in the paper. The design process of expert system of identifying inner decay of timber is expounded.
简单介绍了专家系统在林业上的应用，详细阐述了木材内部腐朽特征识别专家系统的设计过程。
After a while, the decay reaches the nerves and blood vessels of the inner tooth.
过了一段时间，蛀坏的部分会蔓延至内牙的神经和血管。
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