A good roadway illumination requires the LED street light to have a rectangular light distribution pattern just cover the roadway and without any light pollution out of the road.
良好的道路照明要求LED路灯的配光为长方形的光型，路灯发出的所有光刚刚可以覆盖住马路，而马路之外的光污染几乎为零。
By regarding a linear light source as a directional rectangular light source with infinitesimal width, a simple formula is derived for calculating the diffuse reflection component.
通过将线光源看作一个具有无限细小宽度的有向长方形光源，我们得到了一个计算漫反射分量的简洁公式。
Consequently, animals with rectangular eyes can see better at night due to having larger pupils that can be closed more tightly during the day to restrict light.
所以，长着四角眼的动物由于其巨大的瞳孔在白天能紧密的闭合在一起阻挡光线使得它们在晚上有很好的分辨力。
The problem is covering a rectangular sensor chip with a circle of light from the lens.
问题在于要用镜头上的光圈盖住传感器芯片。
House with Windows on all four sides, triangular or rectangular, to provide ample interior light.
房子的四面都装有玻璃窗，三角形的或长方形的，为室内提供了充足的光线。
The lens designed by this method has small size, high light efficient, accurate beam control, it can achieve the required uniform rectangular facula for the street lighting.
通过该方法设计得到的透镜，体积小，高出光效率，光束准确可控，可得到满足道路照明需要的矩形规则均匀光斑。
At last the light intensity distribution of Fresnel diffraction at several rectangular apertures is calculated and analyzed.
最后计算分析了多矩孔菲涅尔衍射的光强分布。
The frame USES steels of rectangular structure and is strong yet light in weight. It is suitable for long-distance safe transport of asphalt by road in cold areas.
框架采用矩形结构钢材，质量轻强度大，适合长距离、寒冷地区公路安全运输沥青工作。
From up here, one looks down to the residence, a building composed of light-colored cubes and dark rectangular slabs.
从这里开始，人们就能看到这个住宅的整体，它是由颜色较轻的体量和黑色的矩形厚板组成。
In the case of little circular light source and rectangular slit, the simulation results of different myopic diopters are obtained by geometrical optical theory and Fourier optics respectively.
在假定照明光源是均匀分布的小圆形光源和狭缝为一矩形的条件下，分别利用几何光学和傅立叶光学给出不同屈光度下光强分布情况。
Rectangle Series are especially suitable for square or rectangular fixtures, which are widely used for road, tunnel and building flood light fixtures. Available power range is 40.
矩形系列灯特别适合方形和四方形的灯具，在道路、隧道、建筑泛光方面有广泛的应用。
The screen animates the garden and interior with dappled sunlight, establishing a visual connection to and from the street. Rectangular voids in the screen throw hexagonal patterns of light inside.
“笼子”的出现使花园生气盎然，点点光斑洒落各处，与街道形成视觉上的联系。
The screen animates the garden and interior with dappled sunlight, establishing a visual connection to and from the street. Rectangular voids in the screen throw hexagonal patterns of light inside.
“笼子”的出现使花园生气盎然，点点光斑洒落各处，与街道形成视觉上的联系。
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