A new format for bar codes appeared in January, when Microsoft unveiled Tag, a system that USES colour to increase the density of information that can be stored.
今年一月，微软发布了Tag，一种新的条形码格式，它利用各种颜色来增加它所承载的信息密度。
Basic educational net resource must be optimized, repeated construction leads to false prosperity. Information rubbish is too much, and density of information is too low.
基础教育网络资源必须优化：重复建设导致虚假繁荣，信息垃圾多，信息浓度低；
Instead, fish reared in high-density situations may learn that conspecifics are to be viewed as competitors, rather than as potential sources of adaptive information.
"相反，在高密度情况下饲养的鱼类可能会了解到，同种物种应被视为竞争者，而不是适应性信息的潜在来源。
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