| 单词 |
photorefractive material |
| 释义 |
photorefractive material photorefractive material[‚fōd·ō·ri′frak·tiv mə′tir·ē·əl] (materials) A material whose index of refraction changes when it is exposed to light. |
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- acid rain advisory committee
- acid rain impact assessment program
- acid rain information clearinghouse
- acid rain national early warning systems
- acid rain program
- acid rain program data base
- acid rain research program
- acid rain retirement fund
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