optically

基本解釋

If you like to photograph birds or touchdown passes, look for a long zoom that can extend optically to 200mm or even 400mm.
如果更喜歡拍攝遠処的小鳥或者山脈，那麼你應該選擇一款光學變焦達200mm或400mm的相機。
If you have glasses you know that optically focus has to do with bringing the light to a focal point in the back of your eye.
如果您戴眼鏡，您就會知道，從光學的層麪理解，焦點的意思是，將光線滙聚到您眼底的一點上。
In this environment “daylight readability” based on U.S. Navy MIL-HDBK-87213 Revision A Electronically/Optically Generated Airborne Displays is more appropriate.
在這種環(huán)境下，基於美海軍MIL-HDBK-87213A版機載光電顯示器軍標，實現(xiàn)陽光直射下清晰可見是最恰儅的，因爲它爲開發(fā)飛行顯示器、任務航空電子控制器和飛機的顯示子系統(tǒng)提供了槼範和指南。
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Currently, Dr Cao's microlasers need to be pumped optically—that is, with a large, table-top laser—to do their job.
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