“cognate ejecta”的概念、定义、翻译、参考文献-科学参考

单词	cognate ejecta
释义	cognate ejecta [´käg´nāt ē`jek·tǝ] ^GEOLOGY Essential or accessory pyroclasts derived from the magmatic materials of a current volcanic eruption.
随便看	x-ray astronomy x-ray background x-ray binary x-ray burster x-ray cluster x-ray crystallography x-ray crystal spectrometer x-ray diffraction x-ray diffraction analysis x-ray diffractometer x-ray emission x-ray film x-ray fluorescence x-ray fluorescence analysis x-ray fluorescent emission spectrometer x-ray fluorimetry x-ray generator x-ray goniometer x-ray hardness x-ray holography x-ray image spectrography x-ray irradiation x-ray laser x-ray lithography x-ray machine

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