The fundamental problem of automatic control is to maintain a desired state in the presence of disturbances.
自动控制的根本问题是在存在干扰的情况下维持期望状态。
Deep learning is a powerful tool for solving complex problems.
向人求助之时应该去求真正胸襟开阔的人;帮助别人时要帮助真正需要帮助的人。