未知题型 每辆消防车的供水量与消防车的额定流量以及火场所需的水枪数量有关,一般供水量为10~20L/s。()

未知题型 闭环系统的极点均为稳定的实极点,则阶跃响应是无调的()。

未知题型 Consumer behavior 1 Consumer behavior 2 Consumer behavior 3 Millennials as consumers 1 _______as likely to talk about brand or product over social media, 2________as likely to blog about it. 4________as an important tool to make a purchase decision. 5________as likely to to reference peer review on products before buying them. A generation of researchers. More than 6________ more likely to make price comparison. Companies In the past: Taking a 7______ approach Today: Taking a 8______ approach 3 companies connect with consumers on ________ / Not charge premium __________