查询词典 ring up

ring, finger ring：戒指

ornaments 装饰品 | ring, finger ring 戒指 | signet ring 印章戒指

ring gear diameter：齿圈直径

ring gear clearance;齿圈间隙 | ring gear diameter;齿圈直径 | ring gear housing;齿圈壳体

ring generator：环生成元

ring extension 环扩张 | ring generator 环生成元 | ring homomorphism 环同态

ring generator：铃声产生器

环型闪光装置 ring flash | 铃声产生器 ring generator | 接地振铃尖塞 ring ground tip

slip ring generator：滑环式发电机

slip ring brush 滑环电刷 | slip ring generator 滑环式发电机 | slip ring motor 滑环式电动机

ring homomorphism：环同态

ring generator 环生成元 | ring homomorphism 环同态 | ring of endomorphisms 自同态环

ring of endomorphisms：自同态环

ring homomorphism 环同态 | ring of endomorphisms 自同态环 | ring of formal power series 形式幂级数环

ring of integers：整数环

ring of formal power series 形式幂级数环 | ring of integers 整数环 | ring of matrices 矩阵环

ring of rational integers：有理整数环

四元素环 ring of quaternions | 有理整数环 ring of rational integers | 右乘变换环 ring of right multiplications

ring of matrices：矩阵环

ring of integers 整数环 | ring of matrices 矩阵环 | ring of numbers 数环

Going to Pubs：上酒吧小酌

Part V 夜生活篇 Nightlife | Unit 21 上酒吧小酌 Going to Pubs | Unit 22 看表演 Seeing Shows

simplified equation：简化方程式

secondary alcohol 仲醇 | simplified equation 简化方程式 | tertiary alcohol 叔醇