其次，信息产业将不断经历盛衰周期，我们仅仅经历了其中第一个。
Second, the information industries will go through boom-bust cycles, of which we have merely experienced the first.
商品盛衰周期在澳大利亚历史上屡见不鲜，但没有一次繁荣能向这次一样强劲、持续时间如此之长(见图1)。
Commodity booms have come and gone in Australia's history but no boom this strong has lasted this long (see chart 1).
太阳活动的盛衰以11年为一个周期。
太阳活动的盛衰以11年为一个周期，在一个周期内，太阳放射的紫外线的变化幅度要比其放射的能量的变化幅度要大得多。
The sun's activity waxes and wanes on an 11-year cycle, and over this cycle the amount of ultraviolet light the sun emits changes a lot more than does the total amount of energy.
太阳活动的盛衰以11年为周期。
太阳活动的盛衰以11年为一个周期，在一个周期内，太阳放射的紫外线的变化幅度要比其放射的能量的变化幅度要大得多。
The sun's activity waxes and wanes on an 11-year cycle, and over this cycle the amount of ultraviolet (UV) light the sun emits changes a lot more than does the total amount of energy.
太阳活动的盛衰以11年为一个周期，在一个周期内，太阳放射的紫外线的变化幅度要比其放射的能量的变化幅度要大得多。
The sun's activity waxes and wanes on an 11-year cycle, and over this cycle the amount of ultraviolet (UV) light the sun emits changes a lot more than does the total amount of energy.
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