光斑

Under the limitative temperature, the bending angle is increased with the increase of laser power and decreased with the increase of scanning velocity and laser spot.

在限定的温度条件下，弯曲角度随激光功率的增大而增大，随扫描速度和激光光斑的增大而减小。

After moule and anaesthesia, therabbits were treated with MedliteC~6-Nd:YAG laser, wave length:1064nm, spot diameter:3mm, energy density: 12J/cm~2, the distance between the light and skin: 8cm, irradiationtime: 40 seconds, frequency: 10Hz. The depth of the wound causedby the laser on the backs of rabbits was to the derm.

经脱毛、局麻后，用Nd：YAG激光(Medlite C~6，ConBio公司，美国)波长1064nm、光斑直径3mm、能量密度12J／cm~2、光皮距离8cm、时间40秒照射家兔背部造成深达真皮的损伤。

Using the noncollinear quasi-phase matching technology,"clear light source" sequence of different colors at different positions can be obtained in a two-dimensional LiNbO3 nonlinear photonic crystal with ten-fold quasi-periodic superlattice.

在具有二维十重准周期超晶格结构的铌酸锂非线性光子晶体中，利用非共线准相位匹配谐频的方法，可在不同角度上获得不同颜色的&纯光源&光斑序列。

A bright spot on the parhelic circle; caused by diffraction by ice crystals.

出现在太阳旁边的一个常常形成光亮的环的明亮光斑；是由于冰晶衍射造成的。

The optical characteristic value Sn is used to evalute intensity distribution of light scattering according to statistical point of view. Using novel semiconductor laser, fiber collimation technique and etc, laser scattering surface roughometer has been developed.

从几何光学和物理光学的观点出发，分析了光散射法测量表面粗糙度的机理，所建立的镜面模型和衍射模型说明包括中心反射光斑和其两翼散射光光能分布和表面粗糙度之间存在着定量的关系；从概率统计出发，确立以光学散射特征值Sn来作为恒量粗糙表面散射光带光能分布的依据。

Since the ring fiber bundle has the advantages of coaxial illumination, uniformly emitted light and shadowlessness, it has been widely used in machine vision, optical instruments, image processing and so on.

环型光纤束具有可实现同轴照明、光斑均匀、无阴影等优点，近年来广泛应用于机器视觉、光学仪器、影像处理等技术领域。

The plastic buckling behaviors of the simulator shell under two conditions are compared: with a hole melten by certain amount of laser energy; with relatively large area in the shell thermally soften by theb same amount of laser energy.

对假定光斑内的激光能量完全用于蒙皮及带板熔融击穿时，以及同样激光能量用于较大面积蒙皮热软化时模拟件的屈曲情况进行了对比分析。

Many photoelectric detecting systems need to get the position of a fac ula precisely, and the position can be worked out with center of gravity method.

在许多光电检测系统（如LAMOST光纤定位标定系统）中，要求准确得到光斑信号的位置。

Flares are produced during image acquisition,creat illumination unequality on images,especially iris image and greatly reduce image quality.

在虹膜图像采集过程中产生的光斑使得整幅虹膜图像的照度不均匀。

There is much noise in the state of eyes opening unforcedly, so the noise processing is necessary, the upper and lower eyelids are removed by parabola fitting, the facular is removed by neighboring gray average, the eyelashes are removed by finding all the candidate eyelashes by local gray minimum firstly, then the false eyelashes are removed by the beginning location, directional and length information of the eyelashes.

在人眼自然睁开状态下存在噪声，因此需要进行去噪操作：通过抛物线拟合的方法去除上、下眼睑；利用邻域灰度均值法去除光斑；去除眼睫毛时先用局部灰度极小值的方法找到所有候选眼睫毛点，然后利用眼睫毛的起始信息、方向信息和长度信息去除伪眼睫毛点。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。