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由导演李伟担纲指导，由李光洁、温兆伦、王力可等实力派明星联袂主演的年代情仇剧《青城缘》以黄河为背景，讲述了1910年至抗日战争爆发期间，发生在甘肃青城古镇一带经营水烟生意的孟、林两大家族之间前后近四十年的恩怨情仇。该剧表现了上世纪初甘肃地方工业从兴盛到衰落、再到兴盛的历史变化，反映了黄河儿女宽阔的胸怀和不屈的精神。更是成功地塑造出了孟祥河这个“耿直、固执、孝顺、外表温文尔雅、内藏心机，常用阴毒手段对付商场上对手”的人物。User class unified interface, User1 and User2 are different objects respectively, and they are related. If the mediator mode is not adopted, the two need to hold references to each other, so the coupling degree between the two is very high. In order to decouple, the Mediator class is introduced to provide unified interface, and MyMediator is its implementation class, which holds instances of User1 and User2 to control User1 and User2. In this way, User1 and User2 objects are independent of each other. They only need to maintain a good relationship with the Mediator, and the rest is maintained by the MyMediator class! Basic implementation:FIBA has a 40-minute match, divided into the first half and the second half, each with 20 minutes."White balance, simply speaking, is white balance. For example, if there is a yellow lamp in the room, then a piece of white paper will be photographed into yellow paper. The color of the brilliance reflected by the object depends on the color of the light source. The reason why human eyes regard some objects as white is that the human brain can detect and correct color changes like this. Therefore, no matter in sunlight, cloudy weather, indoors or fluorescence, the color of the white objects people see is still the same. The human eye can debug itself, but mobile phones are not so intelligent. At this time, the automatic white balance of the camera, AWB, is required. Photographing in AWB mode can restore the real color. "理论与实践是不可分割的，实践决定理论，理论指导实践，实践是理论的最终目的，实践是检验真理的唯一标准……错了。龚啸山‧好勇斗狠只有拳头才是真理