Markov Chain is suitable for short-term forecast of great capacity sample data sequence, but gray system forecast method is suitable for medium-term forecast of few capacity sample data sequence.

马尔柯夫链适用于大样本数据序列的短期预测，而灰色系统预测方法适用于小样本数据的中期预测。

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Therefore, our policy stance must be determined in light of the medium-term forecast for real activity and inflation, as well as the risks to that forecast.

NPR: Economic Swoon to Continue, Bernanke Says

However, the Bank has somewhat reduced its medium-term forecast for consumer spending growth and says that it could turn out to be even lower because household debt has reached a record level in relation to income.

ECONOMIST: The economy

But recently Singapore leaders have started to concede that the outlook for next year and in the medium term may not be as rosy as th ey had previously forecast.

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