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Public class MyCollection implementations Collection {张杨笑对张槐道：大哥别管，娘就是看个热闹。故事讲述孤寡大半辈子的丁奶奶含辛茹苦拉扯大的两个独生子如龙、如虎都已过不惑之年。忠厚、善良又有些软弱的建筑工人如虎，为了老母和三个孩子，在妻子死后多年，依然孤身一人照顾全家。Do you admire the old man in this article? Why?"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. "王尚书也一怔道：白大人想见皇上？白凡点头，看了板栗一眼道：当年张家被抄，全家流放，是玄武王和白虎公凭着战功为张家挣得平反机会。