semidiameter是什么意思 semidiameter在线中文翻译

semidiameter 英 [semɪdaɪ'æmɪtə] 美 [ˌsemaɪdaɪ'æmɪtə]

semidiameter 词典解释

1. 半径
   ...semideveloped 发育不全的 | semidiameter 半径 | semidiurnal 半天的...
2. 半径;半径差
   ...semidiameter 半径 | semidiameter 半径 半径差 | semidiametercorrection 半径差改正量...
3. 半直径
   ...半镇静钢||semirimming steel | 半直径||semidiameter | 半制钢||semi finished steel...
4. 半径差
   ...2922 Semi-balanced rudder半平衡舵 | 2923 Semidiameter半径差 | 2924 Semidiurnal tide半日周潮...

1. the apparent radius of a celestial body when viewed as a disc from the earth

semidiameter [semɪdaɪ'æmɪtə]