A parallel plate condenser with installation of drying air, lighting and charging is provided, which can keep charge numbers constant in demonstration experiment.
介绍一种具有干燥、照明和充电系统的演示实验装置，该装置使平行板电容器在演示时能保持所带电荷基本不变。
From the viewpoint of control theory, the artificial lighting control strategy was given indirectly under the condition of a given constant illuminance and it could realize the lighting energy saving.
从控制理论的角度，间接给出了恒定照度下人工照明的补偿控制策略，以实现照明节能。
The biggest difference in care overseas vs the US, which has an impact on their health, is the natural raw diet vs kibble, and the exposure to natural lighting vs constant indoor lighting.
在对其健康有重要影响的护理方面，海外与美国的最大区别是天然生食与粗粒食物，以及自然日光与持续的室内照明。
LED drivers are necessary in the application of LED lighting. They can supply constant output current and make the LED light even, and also can make the LED's life longer.
LED照明的应用离不开它所需要的驱动控制电路，通过驱动电路来获得良好而平稳的电流，使LED照明更加稳定，满足各种场合的应用要求，同时可以延长LED的使用寿命。
This paper analyzed the principles and working characteristics of High-power LED. The characteristics of LED determine which power driver to use. LED lighting needs constant current driver.
文章分析了大功率LED的原理和工作特性，LED的特性也决定了驱动电源的性能要求，LED照明适合恒流源驱动。
This paper analyzed the principles and working characteristics of High-power LED. The characteristics of LED determine which power driver to use. LED lighting needs constant current driver.
文章分析了大功率LED的原理和工作特性，LED的特性也决定了驱动电源的性能要求，LED照明适合恒流源驱动。
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