The early warning indicator, which has an important meaning for the description of Macro-economic trend, is obtained by analyzing the Comprehensive macroeconomic data.
景气预警指数是我国专业经济学家通过综合宏观经济数据经过分析后得出的，对描述宏观经济走势具有重要的意义。
In Brazil, where exports account for approximately 30 percent of total poultry output, the price of day-old chicks, an early warning indicator of potential production changes, is down sharply.
在出口量占全部禽肉产量30%的巴西，作为潜在产量变化早期预警指标的日龄鸡苗价格大幅度下降。
Finally, It explain the specific application details of the early-warning indicator system by Legend in order to practice managers manage urban rail transport projects in the PPP mode effectively.
最后，通过图例对该预警指标体系的具体应用进行详细说明，以便于实践中管理者对PPP模式下城市轨道交通项目的有效管理。
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