塔里木、四川、松辽盆地之下，都有一个扁平的、致密的磁性底座；

Each of Tarim, Shichuan, Songliao basins, has a huge, dense and magnetic foundations.

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所得到的最终样品的磁性能较差，主要是因为样品中存在较多的氧化物和样品的致密度不够理想。

The main reason may be there was large of oxide in the sample and the density was not high.

youdao

所得到的最终样品的磁性能较差，主要是因为样品中存在较多的氧化物和样品的致密度不够理想。

The main reason may be there was large of oxide in the sample and the density was not high.

youdao