Propagation logs rely on measuring the difference in properties of a wave at two receivers.
传播测井依赖于两个接收器测量的波的差异。
2
Quenching crack propagation characteristics of the organizations on both sides without decarburization phenomenon significant difference between crack and materials and forging cracks.
淬火裂纹的组织特征是裂纹两侧无脱碳现象，明显区别与锻造裂纹和材料裂纹。
3
The wave propagation characteristics of the splitter are numerically simulated by the finite difference beam propagation method and experimentally investigated.