equatorial sundial meaning in English
赤道日晷仪
Examples
- The sundial shows the time by indicating the movement of the sun as the shadow of the pointer moves . the equatorial sundial became popular in the southern song dynasty ( 1127 - - 1279 )
风行于南宋（公元1127 - - 1279年）时期赤道日晷是一种古老的天文仪器，利用日照时指针投影的位置表示时间。