This bypassed the problem of year names in the Gregorian system.
这个年名的问题在格里高利体系（历体系）得迂回曲折。
Equating an end-date for the Mayan calendar round with a date in the European-based Gregorian system has been a heartbreaker for astronomers.
为了使玛雅历法的一个完结日与围绕着的以欧洲为基础的格里高利体系等同，已经让天文学家们伤透了脑筋。
Equating an end-date for the Mayan calendar round with a date in the European-based Gregorian system has been a heartbreaker for astronomers.
为了使玛雅历法的一个完结日与围绕着的以欧洲为基础的格里高利体系等同，已经让天文学家们伤透了脑筋。
应用推荐