REF是Reference的缩写，为参考尺寸的意思。同时也指一个识别系统，也是计算机程序中的一个关键字，瑞士的一个公司名。
[ 复数 refs 第三人称单数 refs 现在分词 reffing 过去式 reffed 过去分词 reffed ]
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 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。
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