| 词汇 |
collector lens |
| 释义 |
collector lens 基本例句 聚光透镜 The focal length of the conelensing lens should be such that the image of the source just fills the projecting lens.聚光透镜的焦距应使光源的像正好照满放映透镜。 |
| 随便看 |
- venom peptone
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