求翻译：摘要：以7日为周期循环的星期纪日制度是公历和儒略历的组成部分,也是人们在工作和生活中使用频率最高的时间单位之一。由于星期制的历史悠久性和周期循环的不间断性，它还是整理和研究古代史料的重要参考依据，其本身也是一部星期纪日史。塞勒公式只能求算公历的星期序号，本文根据儒略历在其历史演变上各阶段的不同特点和置闰方法,运用数学知识推导出了儒略历星期公式和新旧历的换算公式，使对星期的求算前推到公元前45年,即提早了1626年之多,为满足了社会需求和实用提供帮助。是什么意思？

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Summary: In order to cycle for 7 weeks and the system is on a calendar calendar and Mr. Joinet, is also an integral part of the work and life in the highest frequency in the unit of time. The system has a long history of Monday and the cycle of the availability, or organizing it and research into an

Summary: 7th week of the cycle discipline system is an integral part of the Gregorian calendar and the Julian calendar, is used most often in the work and life of one of the unit of time. As the week has a long history and a cycle of continuous, it is an important refe