这些相同的变化周期对该区域稀少的人口产生了重大影响。
These same cycles of change had momentous impacts on the sparse human populations of the region.
在这一轮十年的周期内，只有伊拉克、黎巴嫩、缅甸、索马里、乌兹别克斯坦和西撒哈拉没有进行人口普查。
Only Iraq, Lebanon, Myanmar, Somalia, Uzbekistan and Western Sahara will fail to hold a count in this ten-year round.
劳动力供给方面，其影响因素有人口因素、劳动力参与率和宏观经济的周期波动等。
From the aspect of labor supply, the factors consist of population, labor participation rate, and the cyclical fluctuation of macroeconomic growth.
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