【判断题】专利文献说明书里面信息最集中的应该是扉页。( )
【单选题】拦网技术分为()拦网、双人拦网、三人拦网
【判断题】专利文献说明书里面信息最集中的应该是扉页。( )
【单选题】Banks are generally not allowed to invest in speculative grade bonds. What kind of risk is this designed to limit?
【单选题】If I _______ any money to invest, I would invest it in that land.