subsurface adj. 表面下的,液面下的;地下的,水面下的。 n. 地面下[水面下]的部分〔岩石,土壤,水层等〕。
defect n. 1.缺陷,缺点,弱点;短处。 2.不足,缺乏。 have some defect in eyesight 目力不佳。 have the defects of one's qualities 美中不足之处。 in defect of 若无…时;因无。 vi. 叛变;逃走。 He defected to the West. 他叛逃到西方。
Evaluation of subsurface defect by pulsed phase thermography 亚表面缺陷脉冲相位热成像检测技术
Thermal wave scattering of subsurface defects in solids based on non - fourier ' s models 固体中亚表面缺陷的非傅里叶热波散射问题
In this thesis , based on related previous references , using the non - fourier law of heat conduction , applying the image method , expand method of wave function , multiple scattering of thermal waves in materials with subsurface defects are investigated . our research works are concretely as following 本文在分析了国内外相关文献的基础上,基于非傅里叶热传导波动方程,采用镜像方法和波函数展开法,研究了固体介质中亚表面圆柱缺陷和球形缺陷对热波的多重散射问题。