Decimal time and longitude would then correlate directly without the need for logarithmic conversion tables.
这样一来,十进制时间就会与经度直接相关联,对数转换表就变得不需要了。
This can take some time, so when you store the address in the database it makes sense to store the longitude and latitude of the address along with it.
这需要一些时间,所以,在数据库中存储地址时,必须同时存储地址的经度和纬度。
The latitude and longitude of the airports was readily available, though. So using the latitude and longitude we were able to discover what time zone the airports were in using a time zone vector map.
要找到机场当地的时区也很困难,好在机场的经度和纬度比较容易获得,因此我们可以利用时区向量地图用经纬度来确定时区。
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