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Fig. B.1
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Examples for typical ammonia spectra in different S/N. Spectra include NH3 (1,1) and (2,2), 12CO, 13CO and C18O (1-0) transitions toward cores, namely G070.44-01.54, G110.65+09.65, G158.22-20.14, and G160.51-16.84. The green color indicates the NH3 (1,1) fitting and Gauss fitting of NH3 (2,2), 12CO, 13CO and C18O profile.
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