| 单词 | paraboloid |
| 释义 | paraboloid [pǝ`rab·ǝ´lȯid] ENGINEERING A reflecting surface which is a paraboloid of revolution and is used as a reflector for sound waves and microwave radiation. MATHEMATICS A surface where sections through one of its axes are ellipses or hyperbolas, and sections through the other are parabolas. |
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