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材料:由于努尔哈赤晚年一些错误改革的推行,致使战乱中的辽东经济受到空前破坏。成千上万的汉民纷纷起来进行反抗,就连女真人也有逃亡。皇太极即位后启用汉官,在其辅佐下以汉、金为榜样,有选择地进行大刀阔斧地改革。首先,在农业政策上,改变努尔冶赤时期采取的“惊民为奴”,把辽沈地区农民附庸在女真族的庄园中进行耕作的政策。从而稳定和激发他们生产的积极性。同时,吸收大批汉族知识分子和明降官降将参与申明法令,这种改变实际是使广大汉民摆脱奴隶或农奴的地位,重新恢复他们自耕农身份,政事,注意缓和女真人与汉人之间的矛盾。以明朝为样板,建立封建化制度。在文化思想上,从本民族原有文化特点出发,有选择地接受汉族先进的封建文化,提高女真人的文化素质,希求较快地改变后金文化落后的社会面貌。由于皇太极全面实行改革,很快地稳定了后金的统治秩序。

——袁阔琨、魏鉴勋《试论皇太极的文化改革》

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    Robot are about to enter our lives. From doing housework, entertaining and educating our children, to looking after the elderly, scientists say we will soon be welcoming robots into our homes and workplaces.

    Researchers believe we are on the cusp (过渡点) of a robot revolution that will mirror the quick growth of the computer revolution. They are developing new laws for robot behavior, and designing new ways for humans and robots to communicate.

    “I think robots will change who we are, just as eyeglasses and fire changed who we were before, says Rodney Brooks, a director of the MIT Computer Science and Artificial Intelligence Laboratory.

    Some ideas and technologies may sound like science fiction, but they are fast becoming science fact. Robots scientists invented are already beginning to perform everyday tasks like cleaning our floors. The latest types from Japan are able to help the elderly to get out of bed or get up after a fall. They can also remind them when to take medication (药物), or even help wash their hair.

    “Robot now are not human-like. For example they are things like automatic (自动的) beds and wheelchairs,” says Prof Hiroshi Ishiguro at Osaka University, Japan. He believes the time is coming when robots start looking less like machines, and more like us. “In the near future we are going to use more human-like robots. I really think so, says Prof Ishiguro.

    Prof Maja Mataric at the University of Southern California agrees. “I'm very excited about the fact that today we are trying to make robots that look like human beings,” she says.

    “I believe we love robots because they're reflections (反映) of ourselves,” says Ken Goldberg, director of the Berkeley Center for New Media at the University of California at Berkeley.

    “Robots could be used in education, learning, and healthcare, where social support is important,” says Dr. Cynthia Breazeal, director of the Personal Robots Group at MIT.