关于影响生育子女数量因素的研究一直是人口社会学的重要领域。

The research of the factors affecting the number of children has always been an important area of Sociology of Population.

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只有考虑大范围的数量因素和数量背后的质量，才能做到真正专注于你的目标。

Focus on your real intent by considering a broad range of quantitative factors and examining the quality behind the quantity.

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人口因素对自然环境的影响，主要包括人口数量因素对自然环境的影响和人口质量因素对自然环境的影响。

As the major driving forces that affect coastal areas pollution, human factors bring about negative influence on environment as the quick development of economy.

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So, one simple way to code intensity is the number of neurons firing; the more neurons the more intense.

影响反应强度的一个简单因素,就是产生神经冲动的神经元数量,神经元越多,反应强度越大

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