知识是人们在长期的生活及社会实践中、科学研究及实验中积累起来的对客观世界的认识与经验。
Knowledge is the cognition and experience of the external world. It is accumulated by a long life of people and the social practice, also by scientific researches and experiment.
它的构成以人类对客观世界的认识为基础，受到人类的认知水平的制约，同时也具有一定的自足性。
Based on the knowledge about the world and subjected to the conditioning of the human cognitive level, the virtual world is to a certain degree self contained.
我们要通过每个人的努力，改变世界民众对中国的错误认识，还中国一个客观公正的评价！
We will through the efforts of everyone in China, to change the world, China is objective and fair evaluation!
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