某种代码由3位字符组成,每位可选择8种字符,则代码的总数是()。A.1000 B.2 发布时间:2019-11-08 07:54 │ 来源:www.tikuol.com 题型:单项选择题 问题: 某种代码由3位字符组成,每位可选择8种字符,则代码的总数是()。A.1000B.24C.6561D.512
题型:单项选择题 We usually accept payment by irrevocable L/C payable () shipping documents.A. amongB. betweenC. aboutD. against 查看答案