地表地质调查和人工地震勘探结果证实，石炭纪以来最早的区域性角度不整合发育于白垩系与前白垩纪地层之间。
Field surveys and seismic exploration show that the lowest regional angular unconformity older than the Carboniferous developed between the Cretaceous and the pre-Cretaceous strata.
这些与弹性波不同的结果会在地震勘探、地震工程等有关问题的研究中得到应用。
These different results from the elastic waves can be applied in seismic exploration, earthquake engineering and other related issues.
常用地震勘探仪器延迟时的测试方法存在测试结果误差较大的问题。
Common-used test method for delay of seismic apparatus had the problem that there were large errors in test results.
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