1) fallback
[英]['fɔ:lbæk] [美]['fɔl'bæk]

降落原地;后退
2) fallback
[英]['fɔ:lbæk] [美]['fɔl'bæk]

后馈,降落原地,回降原地
4) jump area

降落地
5) recessional moraine,stadial moraine

后退碛<地>
6) Backward areas

落后地区
1.
Developing cyber banks in the backward areas and advancing the service of commercial banks;
启动落后地区网银快车,推进商业银行高效服务
2.
Reflections on effectiveness of teaching research of school itself in the backward areas;

关于落后地区校本教研有效性的思考
3.
On the development of the western regions judged from the exploitation of backward areas in Egypt;
从埃及对落后地区的开发看我国西部大开发
补充资料:表现落后大市
表现落后大市 Underperform
定义:
研究分析员建议的一种,指一种股票的表现略差于市场回报率。