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本文从中国所跨的经度出发，得出应划分作息时区的结论，并将全国划分为7个作息时区。每个作息时区根据季节变更安排作息时间，以适应当地太阳光照条件。
Based on the longitude spanned by China, this article draws conclusions that the time zone should be divided into regions and divided the country into seven time zones. Each schedules work and rest according to the seasonal changes schedule to meet local conditions of sunlight.