Method: The X-ray diffraction spectra of five Fritillaria powders were obtained by X-ray diffractometry (XRD) .是什么意思_Method: The X-ray diffraction spectra of five Fritillaria powders were obtained by X-ray diffractometry (XRD) .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句