... 汞-重氮盐印相法mercury-diazonium process 拱花,素压印blind stamping拱花,素压印,无色压凸印blanked stamping ...
双语例句
1
An algorithm on ECC blind signature time-stamping is proposed. The algorithm, which is applied in the field of secure digital time-stamping service, solves time-stamping forge problem.