建立了经济周期波动预警信号系统，在此基础上确定了各指标的预警界限。
Economic periodic fluctuation early warning signal system is built. On the basis of it, the early warning limits of all the indexes are determined.
预警效果的好坏不仅依赖预测方法的优劣和警界限的准确与否，而且依赖于是否有一个合理的预警指标体系。
The pre-warning effect not just depends on the quality of forecast method and the warning limit, but relies on whether there is a reasonable pre-warning index system.
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