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.
The study of ancient DNA is like opening a window to the past.
建筑师的任务是使空间宜居，使其充满生机。
The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.