The geologist does well to regard granite as a compound of quartz, felspar, and mica.
地质学家认为花岗岩是石英，长石和云母的混合物非常好。
A method for designing compound achromatic wave plate made of mica and quartz is presented.
本文给出了一种利用云母、石英材料设计复合式消色差波片的方法。
So too the geologist does well to regard granite as a compound of quartz, felspar, and mica.
又如地质学家认为花岗石是由石英、肉色石、金星石合成的，也是对的。
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