作为一种珍贵的宝石，红宝石是一种红色的矿物刚玉。
Rubies, valued as precious gems, are the mineral corundum in its red form.
红宝石是对红色矿物刚玉的俗称，它是一种珍贵的宝石。
Ruby, the common name for the mineral corundum in its red form, is a precious gemstone.
这是一颗熠熠生辉的蓝宝石。对显而易见的蓝色矿物刚玉通常称之为蓝宝石。
A sapphire, the common name for the mineral corundum in its transparent blue form, sparkles.
事实上，真正的红宝石是红色刚玉族矿物。
True rubies are, in fact, the red variety of a mineral called corundum.
将油浸法应用到海泡石、刚玉等矿物岩石的X射线衍射矿物定量分析中，使其相互取长补短，相得益彰。
As the immersion method is used to the quantitative analysis of minerals by XRD, their combination is very well and complementary each other.
本文针对河北某地刚玉型硅线石矿物的共生组合特征进行了化学物相分析方法的研究。
The phase analysis of the ore was investigated to accomodate the actual paragenetic association of minerals. Advantage was taken of the fact that sillimanite and corundum resist HF attack.
本文针对河北某地刚玉型硅线石矿物的共生组合特征进行了化学物相分析方法的研究。
The phase analysis of the ore was investigated to accomodate the actual paragenetic association of minerals. Advantage was taken of the fact that sillimanite and corundum resist HF attack.
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