gnomon 中文意思是什麼
gnomon
解釋
n. 名詞 1. （日晷的）晷針，指時針。2. 【數學】磬折形〈自平行四邊形的一角截去一較小平行四邊形后的圖形〉。
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In all cases the gnomon lies in the plane of the meridian.
表始終都處于子午面內。 -
A stake used for this purpose was the earliest type of sundial and was called a gnomon.
這種特定的標桿就是最早的一種日晷儀，人們稱之為日晷儀標桿。 -
It appears as a small gnomon with lines extending in each major direction ( along the x, y, and zaxis )
它看起來象是一個小的指時針和在每個主要的軸向上（ x ， y ， z軸）的線的延伸。 -
From then on, people were able to measure time and determine seasons based on the position and length of the gnomon ' s shadow
從此，人們便通過觀測圭表上日影的長短變化來計算時間、測定季節。
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