- 1. two sheets of paper: 两张纸
dict.youdao.com - 2. two sheets of paper: 两
dict.youdao.com - 3. hyperboloid of two sheets: 双叶双曲面
dict.youdao.com - 4. revolution hyperboloids of two sheets: 旋转双叶双曲面
dict.youdao.com - 5. focal surface of two sheets: 双叶焦曲面
dict.youdao.com
有道词典