以下为句子列表：
英文: According to the population equilibrium equation and utilize the population poly-factor compounding projection, this paper expounds the basic population projection methods and steps in the exoteric regions so as to provide the concrete population forecast
中文: 本文依据人口平衡方程，运用人口分要素组合预测法，阐述了开放区域人口预测的基本方法和步骤，从而为具体的人口预测工作提供思路借鉴。
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