near surface structure的意思|示意

The new designed valve has metal-metal plane hard airproof structure, using durably grinding material near the flowing road to improve the airproof surface usage life-span.

设计的阀门采用了金属-金属的平面硬密封结构，在流道附近采用耐磨损的材料，提高阀门密封面的磨损寿命。

Based on basic methods investigating near-surface structure by Raileigh wave, the paper computes near-surface structure using real data of multi-layers and dip-layers, which proved again that...

本文基于瑞利面波表层调查的基本方法，以多层、倾斜层的实际数据为实例进行表层结构计算，再次证明利用地震勘探单炮记录中的瑞利面波进行表层调查是可行性的。

This can result from location on an uneven surface, such as near and over a reef structure, or near a growth fault, or from different susceptibility to compaction.

这可以由沉积在不平坦的表面所引起，如邻近和覆于礁体构造之上，或靠近一生长断层，或缘于对压实作用不同的敏感性。

The results of theoretical analysis of two-layer model and real cases showed that using Rayleigh wave to investigate the near-surface structure is feasible.

通过两层模型的理论分析和实例试算，说明利用瑞利面波进行表层结构调查是可行的。

However, people 'cognition about paralic zone is far not enough, and the near surface structure of paralic zone is not simple as people imagined.

然而，现在对滩浅海地区认识还不够，同时，滩浅海地区近地表结构并不是想象的那么简单。

For the statics problem in complex near-surface structure area, on account of the restriction of current statics method, the statics problem in such area cannot be well solved.

由于现有静校正方法的应用存在一些局限，因此不能很好地解决复杂近地表结构地区的静校正问题。