beam of light
英 [biːm ɒv laɪt]
美 [biːm əv laɪt]
光束
英英释义
noun
- a column of light (as from a beacon)
双语例句
- In a laser printer, a device that uses a modulator crystal to deflect a beam of light and effectively turn it on or off.
在激光印刷机中的一种装置，它利用一块调制晶体使光束偏转并将其接通或断开。 - A beam of light generated by a laser.
由激光器发出的一束光。 - Where there is nothing in the path of the beam of light, nothing is seen.
如果光束轨迹上没有东西，就什么也看不出来。 - Reflection of a beam of light on the diaphragm falls on a phototransistor.
经膜片反射的光束照射到光敏管上。 - This opens the possibility of a new type of cross modulation, where a beam of light at one of the absorption frequencies can turn on or off the light of the other.
这就可能制造出新型的交叉调制器，一束有特定吸收频率的激光能打开或关闭其它的光。 - In electron microscopes a beam of electrons instead of a beam of light is directed onto the specimen.
在电子显微镜下，常使用一束电子光而不是普通光线来为标本照明。 - The energy source for laser beam machining is a highly concentrated beam of light.
激光切削的能量来源于一束高聚焦光。 - The surface is not perpendicular to the beam of light illuminating it.
阳光所照的平面，与光本身并不垂直。 - An analogy to demonstrate this principle could be seen in the projection of a movie onto a screen by a high powered and focused beam of light coming from the projector.
能够看见投影在银幕上的电影，以此类推，通过高原子能量和聚焦光束就产生了投射机。 - He visualized what it would he like to ride on the end of a beam of light.
他做了“思想实验”。他想象自己可以跑的像光一样快。