单词	spectroheliograph
释义	spectroheliograph /ˌspɛktrə(ʊ)ˈhiːlɪəɡrɑːf / noun An instrument for taking photographs of the sun in light of one wavelength only.He invented the spectroheliograph in 1892, a device that allowed him to view the sun in individual wavelengths of light.... Hale also gained prominence as an astronomer with his invention of the spectroheliograph and the discovery of magnetic fields in sunspots. The most important advantages of this form of spectroheliograph is the large field photographed.
随便看	electrolize electrologic electrologist multiplicate multiplicated multi-plicated multiplicating multiplication multiplicational multiplication constant multiplication factor multiplication sign multiplication table multiplicative multiplicatively multiplicious multiplicity multiplier multiplier effect multiply multiplying eye multiplying-glass multiplying machine multiplying punch multipoint

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