fail-safe number 中文意思是什麼
fail-safe number
解釋
失安全數-
The last digit is an all important " fail safe " for accuracy of scanning. the check digit is derived by a modulo - 1o calculation from all the other digits in the number, via the following procedure
組成,代表商品之原產國家代號,系由ean指定為各會員國之條碼推廣機構的國家代表號。 -
Fail - safe number
失安全數
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