查询词典 a beam of light
- 与 a beam of light 相关的网络例句 [注：此内容来源于网络，仅供参考]
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It's kind of like the way a lens magnifies a beam of light.
它是一种象一种能放大一束光的方法。
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This is what you see when you break up a beam of light with a prism.
这就是你用棱镜分解一束光时所看到的东西。
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A beam of light generated by a laser .
由激光器发出的一束光。
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When it's dark, in a vacuum, if a person shines a beam of light straight across your eyes, you won't see it.
当黑暗时，在真空中，如果有人将一束光直射进你的眼睛，你就看不见它。
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A device for projecting a beam of light .
用来投射光束的装置。
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A small flay, attached to this body, intercepts a beam of light coming from a source and directed to a photocell
附在该物体上的光罩截取对着光电管的光束。报章也是课堂辅助教材的主要来源。来源可靠的证据。
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A small flay, attached to this body, intercept s a beam of light coming from a source and directed to a photocell
附在该物体上的光罩截取对着光电管的光束。
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A small flay , attached to this body, intercepts a beam of light coming from a source and directed to a photocell
到中国译典经典版本中查找关于flay的最新解释和例句。。。。
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"Photocells are used in control systems, where interrupting a Beam of light opens a circuit, actuating a relay that supplies power to a mechanism to Bring about a desired operation, such as opening a door or setting off a Burglar alarm."
光电管用于控制系统中，在遮断光束时，系统就打开电路，从而开启继电器，为所需要的动作提供动力。
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"Photocells are used in control systems, where interrupt ing a beam of light opens a circuit, actuating a relay that supplies power to a mechanism to bring about a desired operation, such as opening a door or setting off a burglar alarm."
光电管用于控制系统中，在遮断光束时，系统就打开电路，从而开启继电器，为所需要的动作提供动力。
- 推荐网络例句
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If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!
如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！
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China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.
中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。
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Well, Jerry would rattle off all the details of that movie.
那么，杰瑞会急促背诵那部电影所有细节。