optical scan的用法和樣例：
例句
- The principle of the circular grating optical scanning holography and the experimental results are presented.
闡明了環形光柵光學掃描全息術的基本原理，並給出了實驗結果。 - As a result, the kit acts as an optical scanning tunnelling microscope, leading the team to dub it the thermal radiation scanning tunnelling microscope.
整組裝置的作用就如同一套光學掃描式穿隧顯微鏡，因此研究小組將它稱為熱輻射掃描式穿隧顯微鏡。
