The basic framework of international time zones is that there is about one hour difference in solar time for every 15 degrees of longitude.
国际时区的基本框架是经度每隔15度，太阳时就相差一小时。
Basic scale topographic map is bases on one of million international map subdivision and divided by Longitude difference and Latitude difference.
我国基本比例尺地形图是以国际百万分之一地图分幅为基础，按一定的经差和纬差划分图幅。
The basic framework of international time zones is that there is about one hour difference in solar time for every 15 DE GREes of longitude.
国际时区的基本框架是经度每隔15度，太阳时就相差一小时。
Finally, it discusses some problems about the longitude difference of ecliptic.
最后，还对《晓庵新法》中黄道距度的问题进行了探讨。
Finally, it discusses some problems about the longitude difference of ecliptic.
最后，还对《晓庵新法》中黄道距度的问题进行了探讨。
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