MIC REF话筒参考;驻极体话筒参考输入;麦克基准;话筒参考端
NORTH REF参考北方向
Order Ref订单编号;命令档号;订购编号
Zero Ref基准设置
ref class托管类;引用类型
Ref Dim参考尺寸;参照尺寸
Ref counter计数器容量;参考计数器的设定
exporters ref出口商档号;出口商文献
REF OBJECT对象类型
[商业]（） Ref. is an abbreviation for . It is written in front of a code at the top of business letters and documents. The code refers to a file where all the letters and documents about the same matter are kept. 文件编号 [商业]
Our Ref: JAH/JW.
我们的编号是：JAH/JW。
N-COUNT（可数名词） The ref in a sports game, such as football, American football, or boxing, is the same as the . 裁判员 [非正式]
The ref said it was a fumble.
裁判员判定为失球。