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"Exposure compensation is also called EV, which is an abbreviation of Exposure Values and a quantity reflecting the amount of exposure. EV +/-commonly known as exposure compensation, it was originally defined as: when the sensitivity is ISO 100, the aperture coefficient is F1, and the exposure time is 1 second, the exposure is defined as 0, the exposure is reduced by one gear (the shutter time is reduced by half or the aperture is reduced by one gear), and the EV value is increased by 1. Increasing and decreasing exposure compensation depends on adjusting the rocker. The shooting environment is relatively dim and needs to increase brightness. When the flash cannot work, the exposure can be compensated and the exposure can be appropriately increased. "I am countless I run into one I go to sleep with you在这部私密贴近的纪录片中，崔维斯·史考特一边精心制作葛莱美提名专辑《Astroworld》，同时得面对争议事件、身为人父，以及自己的事业高峰。Singleton mode refers to ensuring that there is only one instance of a class and providing a global access point. It solves the problem of the number of entity objects, while other builder modes all solve the coupling problem brought by new. The main points of its implementation include:Jiangsu Province朴河恩 韩素美 李松京 朴智秀初恋应对法