There might be a delay in getting the reply after you sent your e-mail due to heavy network traffic or outages at some point of time.
在发送电子邮件后,因某时刻的网络流量过大或者断电,很可能会导致回复延迟。
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This paper presents an artificial neural network(ANN) approach to determine the timedelay for a heating, ventilating, and air -conditioning(HVAC)plant to respond to control actions.