| 单词 | aspheric surface |
| 释义 | aspheric surfaceaspheric surface(ay-sfe -rik) Any surface that does not form part of a sphere. A paraboloid reflector, used in both optical and radio telescopes, is aspheric. Although production costs are high, aspheric surfaces can greatly improve lens and mirror performance.aspheric surface[ā′sfir·ik ′sər·fəs] |
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