理论创新的作用。
You are the Cisco Network Designer in Cisco.com. Which signal and noise values will result in thebest phone communication with an access point？（） [" signal strength 5dBm"," signal strength 6dBm"," noise level 4dBm"," noise level 5dBm"]
科研成果转化的特点包括（）。 ["规律性","启发性","差异性","整合性"]
水表的始动流量试验可在水表检定装置上利用其（）流量计进行 ["玻璃转子","腰轮","涡轮","椭圆"]
根据某地7岁~12岁小学生的近视情况的调查资料，对患者的年龄分布进行统计描述，宜绘制哪种图形（） [" 直条图"," 线图"," 直方图"," 散点图"]
王莽
