学习涉及网络中单元之间连接强度的逐步调整。
Learning involves the gradual adjustment of connection strengths between units in a network.
"Mathematics is the science of patterns, and nature exploits just about every pattern that there is."
系统辨识的挑战不仅在于拟合数据，还在于提取有意义且可推广的模型。
过去从未死去，它甚至还未过去。
The sociological imagination enables its possessor to understand the larger historical scene in terms of its meaning for the inner life and the external career of a variety of individuals.