Research on ecological reform of tax system from the perspective of low-carbon economy 并列题名：Research on ecological reform of tax system from the perspective of low-carbon economy Research on airport pricing mechanism from the perspective of platform economy Research on international carbon tax system: from the perspective of global environmental justice Research on pedagogical expertise from the perspective of teachers Research on ecological governance of sandy land from the perspective of Marxist ecological civilization Study on the innovation of tax system in perspective of circular economy Research on ideological and political education from the perspective of rule of law Research on intellectual property culture from the perspective of innovation ecosystem Research on Marxist political economy from the perspective of comparison