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Photometer for measuring the directional light distribution characteristics of sources or luminaires. 测量光源或灯具定向光线分布特性的光度计。
The light has reasonable light distribution,hight reflectivity and great sealing performance. 配光合理、反射率高、密封性能好。
Fixed surface mounted projectors with asymmetric light distribution, with built-in control gear for 70W Metal Halide lamps. 固定在可以调节的装置上,有散射灯光的舞台灯。
In order to prevent glare with wall installation the user can slide a cap onto the recessed lighting fixture that restricts light distribution to 180 degrees. 为了避免强光直接射墙壁上的装置，使用者可以加上一个罩子在灯上，把灯先知道180度。
The emergent light distribution of a new type of contact laser scalpel is measured in three different states using a light sensor. 在本文中，使用光传感器，分别在三种不同的测试状态下测量了一种新型接触式激光刀头的出射光强分布情况。
This required versatile floodlights from a series with a large number of diverse light outputs, dimensions and light distribution. 这就需要采用有多面手特性的泛光照明，因为它们具有变化多样的光通量、尺寸和光线分布的说。
Optical reflector: parabolic arch design, reasonable light distribution, surface anode under oxidation treatment, high-efficiently diffuse reflectance. 抛物线弧形设计，配光合理，表面阳极氧化处理，能高效漫反射。
Effects of different spacing form, density on structure of population、light distribution and yield of phaseolus vulgaris were studied under the high yielding condition. 摘要研究了在高产条件下，不同行距配置、密度对奶花芸豆群体冠层结构、光能分布与利用特性及产量构成的影响。
Lighting by means of luminaires with a light distribution such that not more than 10 per cent of the emitted luminous flux reaches the working plane direct, assuming that this plane is unbounded. 采用具有一定配光曲线的灯具进行照明，在不考虑工作面边界时使得直接到达工作面的光通不超过总光通的10%25的照明方式。
Lighting by means of luminaires with a light distribution such that 90 to 100 per cent of the emitted luminous flux reaches the working plane direct, assuming that this plane is unbounded. 在假定为面积无限大的平面上，有90%25至100%25的辐射光通以直射的方式到达该平面的照明方式。
I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
Abstract : Effects of different spacing form、density on structure of population、light distribution and yield of Phaseolus vulgaris were studied under the high yielding condition. 摘要：研究了在高产条件下，不同行距配置、密度对奶花芸豆群体田间小气候变化、冠层结构、光能分布与利用特性及产量构成的影响。
subway lighting distribution board 隧道照明配电箱
The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
A red light is usually a signal of danger. 红灯通常是危险的信号。
Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
The bright light of the car dazzled me. 这汽车的灯光使我目眩。
emergency lighting distribution box 事故照明配电箱
Street lighting was dimmed out during the war. 战时街道照明实行半灯火管制。
He turned off the dash light and drove on. 他关掉仪表板上的灯，继续驱车前进。