The rapakivi granites have a number of petrological peculiarities.
环斑花岗岩具有若干岩石学的特征。
The rapakivi granites have a number of petrological peculiarities.
环斑花岗岩具有若干岩石学的特征。
Perhaps the future role of the sedimentary petrologist will be as an interpreter and an arbiter of cases too complex for the machine to decide unaided.
沉积岩石学的作用也许是作为机械不能独立解决复杂
况的解释者和仲裁者。
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