单词	commutative system
释义	commutative system 可交换系统
随便看	public affair expense Public Affair Guidance public affair program at the primary level publicaffairs public affairs public-affairs public affairs administration Public Affairs and Lobbying MSc Public Affairs Branch Public Affairs Center public affairs company PUBLIC AFFAIRS DEPARTMENT Public Affairs Detachment Public Affairs Division Public Affairs Executive Public Affairs Information Service public affairs innovation public affairs in rural areas public affairs issue Public Affairs Liaison Officer public affairs management Public Affairs Management Network public affairs office public affairs officer public affairs organization