一门新学科──周期学近年，在美国、德国、日本等工业国家，一门新兴学科－－周期学已开始受到关注和重视。科学家们早就注意到，无论是大自然的变化．还是生物体的活动，大至天体运行、潮汐涨落，小到苹果收获，以及人的情感波动，都有其特殊的周期性变化规律。由于周期... A new discipline ─ ─ cycle science In recent years, in the United States, Germany, Japan and other industrial countries, a new discipline - cycle theory has begun to receive attention and attention. Scientists have long noticed that both the changes in nature. Or biological activity, ranging from celestial bodies, tidal fluctuations, as small as the apple harvest, as well as human emotional fluctuations, has its own special cyclical changes. Due to the cycle ...