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金属线星
释义
金属线星
Encyclopedia
理学
恒星光谱
释
metallic-line star
金属线星
其金属谱线很强,近似于F型星,但其氢线却近似于A型星,而且由不同光谱区定出的光度级也很不相同,由短波段求得的光度级比由长波段求得的高的一类特殊星。符号为Am。
Astronomy
metallic-line star; metal-line star
金属线星
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measurement of longitudinal mode
measurement of loss of optical fiber
measurement of loudness
measurement of lower limb bones
measurement of lower limb muscle
measurement of magnetic field intensity
measurement of magnetic fields
measurement of magnetic properties
measurement of magnetic quantities
measurement of magnetic screen
measurement of mineral magnetism
measurement of Ming Great Wall
measurement of momentum distribution
measurement of motor parameters
measurement of multiple degree of freedom with spectrometry method
measurement of neck muscle
measurement of numerical aperture of multimode fiber
measurement of operating parameters of pumping station
measurement of optical elements surface deviation
measurement of optical material parameters
measurement of optical material refractive index
measurement of optical material stress birefringence
measurement of optical material uniformity
measurement of ore feeding of mill
measurement of ore slurry density
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