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Shutter time: The smaller the shutter time, the faster the photo will be taken. However, due to the fast photo taking speed, the light may not be enough and the picture will appear very dark. 1, 2, 3 That means that the shutter time is 1 second, 2 seconds, 3 seconds, and the photographing time is getting slower and slower, which will make the light of the photo increase sharply, or even explode too much. In fact, long exposure means that the larger the shutter time, the better. It is suitable for photographing night scenes. Remember to use a tripod.忽然，清风送来微微的脂粉味，正是从林聪那个方向飘过来的，他就疑惑了。离海5分钟，从最近的车站开车约50分钟，想以徒步离开几乎不可能！如此超偏僻的地方，有一所完全住宿制的名门男校——私立栖凤高中。就读于这所全寄宿制高中的学生全都是渴望女孩与恋爱的男生......一九四二年春天，日军发动了对我晋绥抗日根据地的疯狂“扫荡”，八路军为了集中兵力反击“扫荡”，主动撤离吕梁山区。吕梁人民的抗日斗争进入了最艰难的时期……康家寨，一个坐落于吕梁山中的村庄。八路军撤离之后，村里的形势变得动荡不安，捉摸不定。老财主康锡雪庆幸反攻倒算的时机已到，密谋夺回在减租减息斗争中失去的钱粮，妄图重树自己在村里的权势。农会干部康顺风见风使舵，甘为康锡雪出力跑腿。年轻的共产党员、农会干部雷石柱带领党员康明理和孟二愣挺身而出，决意揭穿康锡雪的阴谋……The sourceable interface's second Sub2!咱们弟兄们早排着队夯死你了。