共 17 条
- [8] Kinsler F.R., 1999, FUNDALMENTALS ACOUST
- [9] Properties of fresh and hardened concrete [J]. CEMENT AND CONCRETE RESEARCH, 2011, 41 (07) : 775 - 792
- [10] Locating the crack tip of a surface-breaking crack - Part I. Line crack [J]. ULTRASONICS, 1998, 36 (07) : 803 - 811