英文字典中文字典Word104.com
|
|
semidiameter n. 半徑 半徑 semidiameter n 1: the apparent radius of a celestial body when viewed as a disc from the earth Semidiameter \Sem`i*di*am"e*ter\, n. (Math.)
Half of a diameter; a right line, or the length of a right line, drawn from the center of a circle, a sphere, or other curved figure, to its circumference or periphery; a radius. [1913 Webster]
請選擇你想看的字典辭典：
|
安裝中文字典英文字典查詢工具!
英文字典中文字典相關資料: |