The hertzsprung - russell diagram serves this purpose . it is a plot of absolute magnitude against surface temperature i . e . , spectral type of stars.
简单来说，赫罗图把大量恒星的绝对星等和表面温度或谱型关系以图表方式显示出来。
The research results showed that the slab surface temperature dropping into the third brittle zone played an important role in causing transverse crack formation of microalloyed slab. E…
研究表明，铸坯表面温度落入钢的第三次脆性温度区是造成铸坯表面横裂的一个重要原因。
The research results showed that the slab surface temperature dropping into the third brittle zone played an important role in causing transverse crack formation of microalloyed slab. E…
研究表明，铸坯表面温度落入钢的第三次脆性温度区是造成铸坯表面横裂的一个重要原因。
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