quality gravel是什么意思,quality gravel的中文翻译,quality gravel的用法例句-行业英语-优校网

网络释义

1)quality gravel,优质砾石2)rock fragments properties,砾石性质3)sandy gravel,砂质砾石4)gravels of metamorphic rock,变质岩砾石5)granitic gravel,花岗质砾石6)Rock fragments characteristics,砾石的性质

用法例句

Zircons from one granitic gravel sample of the metaconglomerate were chosen for SHRIMP U-Pb dating,and an age of(2632± 18)Ma is interpreted as the formation age of the granitic rocks of gravel,which suggests that at least part of gravels in the metaconglomerate were of tectonic origin.

对其中变质砾岩中的一花岗质砾石进行了锆石SHRIMP定年,(2632±18)Ma年龄为砾石所代表的花岗质岩石的形成时代,表明雁翎关变质砾岩中至少部分砾石为构造成因。

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quality gravel是什么意思

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