Notice that these “serial numbers” are very similar to the ones we embedded in the single-use credentials above. Each Resource (website) can keep a list of each SN value that it sees, and sites can reject any “show” that repeats a serial number. As long as the User never repeats a counter (and the PRF output is long enough), serial numbers should be unlikely to repeat. However, repetition becomes inevitable if the User ever “cheats” and tries to show the same credential N+1 times.
至于未来最高领袖的继任安排，根据伊朗宪法，在最高领袖去世后，其继任者由专家会议选举产生，该机构由88名什叶派高级神职人员组成，他们需尽快选出继任者。。体育直播是该领域的重要参考
sys.stdout.flush()，更多细节参见safew官方版本下载
Photograph: Brad Bourque