The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them 机械计时器的发展促使人们寻求更精确的日晷,以便校准机械计时器。
The sundial works well only when the sun is shining . so, other ways were invented to measure the passing of time 日晷只能在天气晴好的时候使用。因此,其他测量时间的方式被发明出来。
The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them 机械计时器的发展促使人们寻求更精确的(日晷sundials),以便校准机械计时器。
The development of mechanical timepieces spurred the search formore accurate sundials with which to regulate them 机械计时器的确是的发展促使爱好艺术的确是的人们寻求更精确的确是的日晷,以便校准机械计时器。
Learn how myths and stories are created for the constellations, how stars and sundials are used for navigation and how our solar system's planets differ 认识星座背后的神情故事,星星和日规在导航上的用途,以及太阳系内不同的行星
By adding sundials silica to digestion mineral slurry, the effects of high silica to settling property of red mud in bayer-combined process were studied 摘要通过向拜耳联合法溶出矿浆中添加硅酸钠,研究硅含量对赤泥沉降性能的影响。
The hall on a white marble foundation is of bricks without any pillar or beam . bronze statues, a stone pavilion and a stone pavilion with a sundial are in front of the hall 汉白玉石殿基,庑殿顶,5开间,系砖券结构,不设梁柱,故又名无梁殿。
The need to gauge the divisions of the day and night led the ancient egyptians, greeks and romans to create sundials, water clocks and other early chronometric tools 古埃及人、希腊人与罗马人为了测定昼夜之别,发明了日晷、水钟及其他早期计时工具,后来由西方世界继承了这些技术。
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。
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。