The composition of mineral X, found in the Boxian chondrite, was obtained by EPMA. Its simplified chemical formula is (Mg1.6271Fe0.3729)2SiO4. The structure of the mineral was determined by X-ray microprobe diffractometer.是什么意思_The composition of mineral X, found in the Boxian chondrite, was obtained by EPMA. Its simplified chemical formula is (Mg1.6271Fe0.3729)2SiO4. The structure of the mineral was determined by X-ray microprobe diffractometer.在线翻译_英语_读音_用法_例句