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综合介绍了９０年代以来国际上对ＶＡＮ小组预报研究的评价和争论，包括评价的基本方法、三类评价意见以及评价中的几个主要争议问题等。
This paper introduces the international evaluation and debate of the VAN group forecasting research since the 1990s, including the basic method of evaluation, three types of evaluation opinions and several major controversial issues in the evaluation.