| 单词 | 极轴 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔equatorial telescope〕An astronomical telescope that keeps a star in view by revolving about an axis that is parallel to the earth's axis of rotation.赤道仪：一种天文望远镜，能通过围绕与地球自转轴平行的极轴旋转来保持一颗星在其视线中美国传统〔polar angle〕The angle formed by the polar axis and the radius vector in a polar coordinate system.极角：在一个极坐标系中，由极轴和向量径形成的角美国传统〔polar axis〕The fixed reference axis from which the polar angle is measured in a polar coordinate system.极轴：在极坐标系中用以测量极角的固定基准轴美国传统 |
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