It is found that the resonance fluorescence in a three-atom system consists of seven lines and each line has its own fine construction.
文中报道了三原子共振荧光由七条谱线组成，每条谱线又有自己的精细结构。
The three-high rolling mill transformation in the Medium Plate Plant of Jigang was insured the production and construction synchronously, by using the temporary production line.
济钢中板厂三辊轧机改造工程通过采用临时生产线，确保了中板厂生产建设两不误。
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