可转换债券
影响汽油机燃烧过程的主要因素有压缩比、辛烷值、（）、混合气浓度、点火提前角、转速和负荷。 ["温度","压力","燃烧室结构","润滑油品质"]
You are troubleshooting a problem with a cisco 7920 wireless ip phone that is causing the phone to drop calls. the problem appears to be roaming bandwidth issuE. in order to verify what kind of issue it is， you decide to increase the bandwidth reserve for roaming on the wlan controller to maximum. What level do you set the bandwidth to？（） ["5 percent","15 percent","25 percent","35 percent"]
How many users does the Cisco Unity Express Solution Support When installed in the Cisco 2800 Family?（） [" 240"," 96"," 120"," 48"]
钢筋混凝土梁的跨度L ["6","8","10","12"]
计算机的特点：运算速度快、（）、具有“记忆”能力、（）、具有在程序的控制下自动工作的能力。
