音标:[.semidai'æmitә] ;
n. 半径
n. the apparent radius of a celestial body when viewed as a disc from the earth
词型变化:名词复数形式 : semidiameters

semidiameter的用法和样例:

例句

用作名词(n.)
  1. Relationships between the minor axis semidiameter and major axis semidiameter have been empirically determined for different structural detail geometries.对于不同结构细节的几何形状,已经确定了短轴和长轴半径之间的关系。

词汇搭配

  • apparent semidiameter视半径

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