诊断：它的英文是diagnosis，一般的缩写是“diag”。

扩充其他缩写形式：bldg= building 大楼

CEO = Chief Executive Officer 总裁执行长

CFO = Chief Financial Officer 财务总监

COO = Chief Operating Officer 执行总监

CIO = Chief Information Officer 技术总监

HQ= headquarters 总部