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An overhead projector (often abbreviated to OHP ), like a film or slide projector, uses light to project an enlarged image on a screen, allowing the view of a small document or picture to be shared with a large audience.
透镜式投影仪 （Overhead projector）是一种将透明 幻灯片 放置在书写 玻璃 台上，利用灯光透过玻璃台进行照射 成像 的投影仪。 这种投影仪方便即時书写，适合在 课堂 、 办公室 中进行讲解时使用。
noun [ C ] uk / ˌəʊ.və.hed prəˈdʒek.tə r/ us / ˌoʊ.vɚ.hed prəˈdʒek.tɚ / ( abbreviation OHP) Add to word list. a device that makes large images from a flat, transparent sheet and shows them on a white screen or wall. 投影仪. (overhead projector在剑桥英语-中文（简体）词典的翻译 © Cambridge University Press) C1. overhead projector 的翻译. 中文（繁体） 投影機… 查看更多内容. 西班牙语.
2023年9月8日 · An overhead projector is a tool for displaying and enlarging content or images on a screen or wall. A light source, a transparency platform where actual transparencies or acetate sheets are set up, and a projection system that directs the enlarged image onto a surface are the typical components. A Synopsis of Overhead Projector History.
透鏡式投影儀 （Overhead projector）是一種將透明 幻燈片 放置在書寫 玻璃 台上，利用燈光透過玻璃台進行照射 成像 的投影儀。 這種投影儀方便即時書寫，適合在 課堂 、 辦公室 中進行講解時使用。
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2023年3月3日 · An overhead projector is a type of projector that projects images and text onto a screen or other flat surface. It works by shining a bright light through a transparent sheet or film onto a mirror, which reflects the image onto the screen.
2023年4月4日 · In this article, we’ll explore the inner workings of an overhead projector and explain how it projects images onto a screen or wall, as well as the benefits and drawbacks of using an overhead projector compared to modern digital projectors.
2023年11月14日 · An overhead projector shows pictures to the audience. Overhead projectors usually consist of a big box with the most brilliant light source and a cooling fan within the unit. It also contains a massive lens that directs the light.
overhead projector noun [ C ] uk / ˌəʊ.və.hed prəˈdʒek.tə r/ us / ˌoʊ.vɚ.hed prəˈdʒek.tɚ / (abbreviation OHP) a device that makes large images from a flat, transparent sheet and shows them on a white screen or wall 投影機
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