李明珠的数据表明,就19世纪的粗粮而言,也许四到五年就有这样一个截然不同的短期周期的出现;对此时期的小麦而言,可能有这较长的周期。
Li's data suggest the presence of distinct short-term cycles of perhaps four - or five-year intervals for coarse grains in the eighteenth century, and possibly longer cycles for wheat prices.
李明珠的数据表明,就19世纪的粗粮而言,也许四到五年就有这样一个截然不同的短期周期的出现;对此时期的小麦而言,可能有这较长的周期。
Li's data suggest the presence of distinct short-term cycles of perhaps four - or five-year intervals for coarse grains in the eighteenth century, and possibly longer cycles for wheat prices.
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