| 单词 | 极角 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔credit〕She had pulled herself together and, to her credit, continued to look upon life as a positive experience.她已经重新振作起来, 而且值得称道的是, 她仍然从积极角度看待人生。外研社新世纪〔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〔polar coordinate〕Either of two coordinates, the radius vector or the polar angle, that together specify the position of a point in a plane.极坐标：两个坐标中的任一个，向量径或极角，共同用以确定平面中一点的位置美国传统〔pole〕Mathematics The origin in a polar coordinate system; the vertex of a polar angle.【数学】 极点：一个极坐标系中的始端；一个极角的顶点美国传统 |
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