这类PS转换波与初至P波之间的到时差，可用来测定地壳和上地幔构造。
The difference of arrival times between such PS and pp waves can be used to determine the structures in the earth's crust and upper mantle.
研究成果表明，大陆地壳和上地幔的反射特征具有显著的差异，这些差异反映了不同的构造单元和状态。
The results indicate that the continental crust and upper mantle exhibit significant differences in reflection characteristics, which are related to tectonic units and regions.
岩石铅同位素构造演化模式判别结果表明，煎茶岭超基性岩石的成岩物质来自亏损上地幔；
Projecting the lead isotope compositions on the Pb tectonic evolution model, the result indicates that the raw material of Jianchaling ultrabasic rock coming from the deplete upper mantle.
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