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關注：1
2013-05-23 12:21
求翻譯：To prevent any distortion by the illuminated dust particles, a short-pass filter is used, which is transparent only for wavelengths shorter than是什么意思？ 待解決
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- 離問題結束還有
To prevent any distortion by the illuminated dust particles, a short-pass filter is used, which is transparent only for wavelengths shorter than
問題補充： |
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