It is complex to get the two factors in altitude difference method by consulting the "nautical almanac".

利用《航海天文历》查表的方法求取高度差法两要素，过程比较复杂。

youdao

It is complex to get the two factors in altitude difference method by consulting the "nautical almanac".

利用《航海天文历》查表的方法求取高度差法两要素，过程比较复杂。

youdao