graduation ball 中文意思是什麼
graduation ball
解釋
畢業舞會- graduation : n. 1. 畢業，授學位，得學位。2. 畢業典禮，授學位典禮。3. 〈pl. 〉 表示經緯度的線;刻度;分劃，分度。4. 分等級。5. 濃縮。
- ball : n 鮑爾〈姓氏〉。n 1 球；球狀物。2 球戲，（特指）棒球；【棒球】壞球 （opp strike） 3 【軍事】子彈...
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He asked me to go to the school graduation ball with him
他要我跟他一起去參加學校的畢業舞會。 -
The optimization selection and comparison have been conducted on the ratios of major structural dimensions of ball cage patterned constant speed universal joint namely the ratio between central circle diameter of steel ball and ball diameter, the ratio between outer diameter of universal joint and diameter of graduation circle of inner sleeve spline and the ratio between eccentricity of ball cage patterned constant speed universal joint and central circle radius of ball
對球籠式等速萬向節的主要結構尺寸即鋼球中心圓直徑與鋼球直徑之比、萬向節外徑與內套花鍵分度圓直徑之比，以及球籠式等速萬向節的偏心距與鋼球中心圓半徑之比進行了優化選擇和比較。
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