“spot umbra”的概念、定义、翻译、参考文献-科学参考

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单词	spot umbra
释义	spot umbra Astronomy spot umbra黑子本影
随便看	spectrometer spectrometric spectrometric control spectrometry spectromicroscope spectromodulator spectrophone spectrophosphorimetry spectrophoto fluorometer spectrophotofluorometer spectrophotograph spectrophotography spectrophotometer spectrophotometric gradient spectrophotometric method spectrophotometric standard star spectrophotometric temperature spectrophotometric titrimetry spectrophotometry spectrophotometry; spectrophotometric method spectropic characterization of biomacromolecules spectropolarimeter spectropolarimetry spectroprojector spectropyrheliometer