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begin_centering_textbf_Abstract_end__.tex  section_Introduction_It_is_common__.tex  figures/NegativeGauss/NegativeGauss.png  To_understand_Doppler_broadening_consider__.tex  When_we_measure_the_transmission__.tex  section_Method_We_first_performed__.tex  figures/Screen Shot 2015-11-17 at 12.11.51 AM/Screen Shot 2015-11-17 at 12.11.51 AM.png