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Thesundial日晷|亚博网页版界面登陆

亚博网页版界面登陆 科技 2020年12月25日
本文摘要:Thesundial日晷TheSundial,anancientChinesetimekeepinginstrumentconsistingofabronzeneedleandastonedial,MeasuresThetimebytar日晷也被称为“现有规则”,在中国古代是用海英测量时间的计时仪器。

海针

日晷

The sundial日晷The Sundial,an ancient Chinese time keeping instrument consisting of a bronze needle and a stone dial,Measures The time by tar日晷也被称为“现有规则”,在中国古代是用海英测量时间的计时仪器。the needle crosses the center of the dial vertically,just like the pole of the gnomon,and the stone dial is placed onto a stone plat-form铜制针the sundial surface is therefore parallel to the equatorial plane . the upper end of the sundial points right to the north pole,and the lower endboth sides of The dial are divided into 12 parts,each part representing two hours . when The sunlight beams down on The sundial,The shadow of The sundial因此,移动的时钟阴影就像现代时钟的指针,时钟表面是时钟的表面,通过它命令时间。from the vernal equinox(about March 20)to the autumn equinox(about September 22),the sun moves in the northern side of the equaaLikewise,since The sun moves in The southern side of The equator from The autumn equinox to The vernal e-quinox,The shadow is cast on the从秋分到春分,太阳运行在天空赤道的南部,所以海针的影子朝向日晷面以下。因此,仔细观察日晷时,首先要了解不同时期海侵的投影方位。


本文关键词:秋分,日晷,亚博网页版界面登陆,仔细观察,表面

本文来源:亚博网页版界面登陆-www.electric-vapors.com

标签: 日晷   影子   表面   时钟   海针