单词	现在大气浓度
释义	现在大气浓度present atmospheric level; PAL
随便看	direct memory exchange，dmx direct memory line direct memory line，dml direct memory queue direct memory queue--dmq direct memory queue，dmq direct metal mastering direct metal mastering {=dmm} direct metamorphoris direct metamorphosis direct metaplasia direct metastasis direct methane fuel cell direct methanol/air fuel cell direct methanol fuel cell direct methanol fuel cell (dmfc) direct methanol fuel cell {= dmfc} direct method direct method of liapunov direct method of liapunoy direct method of measurement direct method of teaching direct methods direct microprogrammed execution direct microscopic count