光点

If you see a blur after 3 o'clock, that'd be me.

如果你三点之后看到一个模糊的小光点，那就是我了。

Dot Pitch is another factor. It is the distance between tiny dots on a screen.

另一个因素是点距，也就是在荧屏上两个光点之间的距离。

I remember the light came first to the tops of the French windows, a paling behind the lace curtains, and then a gleam growing brighter and brighter in patches among the leaves of the trees.

我记得当第一缕阳光落在法式长窗上，网眼窗帘透进淡淡的白光；树叶间透出的斑驳的光点闪闪发亮。

An optical scanning device for scanning tracks of an optical record carrier using a radiation beam, the device including an optical head ( 16 ), defining an optical axis, for converging the radiation beam to a spot when scanning the record carrier; and a rotary arm ( 2 ) for moving the optical head across the record carrier.

一种光学扫描设备，用于利用辐射光束扫描光学记录载体的轨道，该设备包括光头(16)，其限定了光轴，用于在扫描记录载体时将辐射光束会聚为光点；和旋转臂(2)，用于在记录载体上移动光头。

Dodge: Used for adding highlights, lightening areas and for stippling.

减淡工具：用于增加高光点，给局部加光和点画。

The transducer detects continuos position data of the incident light spot moving on the whole plane without dead zone.

该传感器不存在测量死区，可给出入射光点在整个光敏面上移动时的连续性位置数据。

The light from an LED is emitted into large angle and can not be easily refocused to produce a useful spot.

从 LEDs 产生的光其反射角度比较大，不易重复调焦而产生一个有用的光点。

Based on the relationship between the numerical aperture of the objective lens and scale pitch, this study chooses a suitable Plano-convex lenses available on the market, so as to approximate the diameter of the focusing spots to scale pitch. Also, by using the optical path of an optical encoder similar to the nanoscale, the changes in the surface profile of the scale can be measured directly, so as to obtain the two quadrature sinusoidal signals. By counting the zero crossing of these two quadrature sinusoidal signals and calculating the interpolation value of these two quadrature sinusoidal signals, the moving direction and moving displacement value of the scale can be obtained.

研究中再以搭配物镜的数值孔径与尺条间距的关系，选择ㄧ适当的市售平凸透镜，使聚焦光点的直径与尺条的间距相近，并使用相同於奈米级长行程双雷射聚焦读头装置的光路设计，如此将可藉由直接量测尺条的表面轮廓变化，以获得一组正交弦波讯号，继而利用讯号四分割与细分割处理，计算出尺条之移动方向与移动量，研制出一实用性长行程双雷射聚焦读头光学尺。

By adjusting the positions and angles of the two DVD optical pick-up heads, the relative distance of the two laser spots can be equivalent to one quarter of the grating pitch. When the grating moves, the surface profile of the grating can be measure directly, in order to obtain the two quadrature sinusoidal signals. Then by counting the zero crossing of these two quadrature sinusoidal signals and calculating the interpolation value of these two quadrature sinusoidal signals, the moving direction and moving displacement value of the grating can be obtained.

采用两个光学读取头，且两个光学读取头共用同一分光镜与同一聚焦物镜，於搭配光路的设计，可使两个光学读取头之光束打入同一聚焦物镜，藉由调整两个DVD光学读取头的位置与角度，使聚焦物镜聚焦的两相近聚焦光点的距离相等於四分之ㄧ光栅尺间距，当光栅尺移动时，可直接量测光栅尺的表面轮廓变化，以获得一组正交的弦波讯号，继而利用讯号四分割与细分割处理，计算出光栅尺之移动方向与移动量。

The Laguerre-Gaussian modes and linear polarization modes were applied for determining mode intensity distribution. The temperature effect on the mode spot size was evaluated.

我们推导Laguerre-Gaussian 模及线性偏振模的光场强度於空间位置上的分布，并分析温度对横模光点尺寸的影响。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失