TEM measurement shows that the dispersion of the magnetic particle in the carrier is quite homogeneous and the average size of the particle is 15-20 nm.是什么意思_TEM measurement shows that the dispersion of the magnetic particle in the carrier is quite homogeneous and the average size of the particle is 15-20 nm.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句