The X represents a kiss， while the O represents a hug.it's a lighthearted way of expressing affection， sincerity， or deep friendship.
质量管理体系中英文缩写与其解释Engineering 工程 / Process 工序 （制程）4M&1EMan, Machine, Method, Material, Environment人，机器，方法，物料，环境- 可能导致或造成问题的根本原因AIAutomatic Inse
AX= Across 穿过AH = At home 在家A3 = Anytime, anywhere, anyplace 哪里都成ASL = Age/Sex/Location 年龄/性别/住址AAR = At any rate 任何价格ABT = About 关于AYW = As
