real line

基本解释

In the case of a single objective function, decision space is mapped to the real line.
在一个单一的目标函数的情况下，定义域映射对应的是实数线。
Real line-source horn design, high efficient transducers housed by smart enclosure, together with sophisticatedly verified phase, 3S system delivers a clean in vocal and transparent in mid-range.
线声源的号筒设计，高效的喇叭单元，精确的相位校正使3S还原出清晰的人声和通透的中频。
WAMAP can strengthen the function of data integration and real line analysis, which offer the real time and supplementary decision information of power grid with high quality for dispatching people.
WAMAP加强了数据整合和实时分析功能，能够为调度人员提供高质量的电网实时动态信息和辅助决策信息。

Look what the housing--the blue line shows what home prices in real terms have done in Los Angeles over the last thirty years.
看看房地产的情况...那条蓝线,显示了在过去30年中以实际价格计算的,洛杉矶房屋价格走势
耶鲁公开课 - 金融市场课程节选
Now the interesting thing is, the green line here is the expenditure on real estate investment.
有个有趣的情况,绿线代表房地产投资支出
耶鲁公开课 - 金融市场课程节选
The green line is the building costs and you can see that building costs, since 1890, in real terms-- everything is corrected for inflation -have gone up a little bit since 1890, but not a whole lot.
绿线表示了建筑成本,你可以看到建筑成本,自1890年来,以实际值计算,所有的数据均进行了通胀修正,从1890年开始有一点点上涨,并非是大幅度上涨
耶鲁公开课 - 金融市场课程节选

Even with its rich cash position, the company needs a real line of revenue-producing products.
FORBES: Magazine Article