“doughnut”的概念、定义、翻译、参考文献-科学参考

单词	doughnut
释义	doughnut Physics doughnut①环形室 ②环形真空罩 ③电子回旋加速器室 Mathematics doughnut环形圆纹曲面，环面
随便看	taodao Tao Dun Tao Erfu Taoer He Taofanlin Taofen Foundation of China Tao Fen Publishing Award Taoge Huqun taohe chengqi decoction Tao Hengxian Tao Hong Tao Hongjing Taohongling Meihualu Guojiaji Ziran Baohuqu taohong siwu decoction Taohua Dao taohua decoction Taohuatan Zhen Taohuawu New-Year pictures Taohuayuan Taohuayuan Scenic and Historic Area Taoism Taoism education Taoism in Vietnam Taoism of Five Bushels of Rice Taoist agricultural thought

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