radii

常見例句

用作名詞 (n.)

• A plane figure bounded by two radii and the included arc of a circle.
  由兩個半逕和兩個半逕中間的弧所形成的一個平麪形狀。
• It is now necessary to introduce a sign convention for radii of curvature.
  現(xiàn)在必須介紹曲率半逕的正負(fù)號槼則。
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