Good wave spectrum lines only could be acquired with all those techniques which ensure the value of full width at half maxium to be within the given range of the system.
只有尽一切技术手段使得半高宽在系统提示的范围之内，才有可能获得好的谱线。
Good wave spectrum lines only could be acquired with all those techniques which ensure the value of full width at half maxium to be within the given range of the system.
只有尽一切技术手段使得半高宽在系统提示的范围之内，才有可能获得好的谱线。
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