The basic principles of polarized light microscopy observation were used for measuring the extinction angles (Ae). Pyrocarbon may be classified according to the extinction angles.是什么意思_The basic principles of polarized light microscopy observation were used for measuring the extinction angles (Ae). Pyrocarbon may be classified according to the extinction angles.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句