英语词汇“semidiameter”的意思、释义、用法解释及翻译-春雷网

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词汇	semidiameter
释义	Definition of semidiameter in English: semidiameter nounˌsɛmɪdʌɪˈamɪtəˌsemēdīˈamitər Geometry Half of a diameter. 〔几何〕半径 Example sentencesExamples The moon will, at the full, be totally eclipsed, if its latitude is less than the difference between its own semidiameter, and that of the earth's shadow. By the semidiameter of a celestial object, is meant the angle which the radius of its apparent circular disc subtends at the eye of the observer. Definition of semidiameter in US English: semidiameter nounˌsemēdīˈamitər Geometry Half of a diameter; radius. 〔几何〕半径 Example sentencesExamples The moon will, at the full, be totally eclipsed, if its latitude is less than the difference between its own semidiameter, and that of the earth's shadow. By the semidiameter of a celestial object, is meant the angle which the radius of its apparent circular disc subtends at the eye of the observer.
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