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21. | There was an arc-lamp projector behind the tube, and a screen had been set up in front of it. |
| 试管后面有一个弧形投影仪,前面是一个屏幕。 |
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-- 来源 -- 英汉非文学 - 科学史 - kexueshi-yuanzidefenlie |
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22. | optical projector |
| 投影系统;光学投影机;光学投影仪 |
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23. | endoscopic film projector |
| 内腔镜摄片投影仪 |
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24. | another advantage is that the pictures the overhead projector shows are large and bright owing to the |
| 投影仪的另一个优点在于它投出的影像大而明亮,这是由于投影仪和银幕之间距离较近的缘故。 |
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25. | opaque projector |
| 不透明体投影器;投射式放映机;投影仪;反射幻灯机;反射式放映机 |
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26. | a projector for images for both transparent and opaque objects. |
| 用来投射透明的和不透明的物体的图像的投影仪。 |
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27. | a transparency for use with an overhead projector. |
| 使用高射投影仪观看的幻灯片。 |
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28. | Data that is displayed for people to read, such as data on a monitor or projector screen. |
| 显示以供人阅读的数据,如监视器或投影仪屏幕上的数据。 |
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29. | Projects the default projector logo screen when no source is connected |
| 未接信号源时投射默认的投影仪图像 |
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30. | The projector displays the full-color pictures with a contrast ratio of 80:1 and a brightness greater |
| 全彩色投影仪的对比度为80:1,亮度大于1800流明(ANSI)。 |
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