“population potential”的概念、定义、翻译、参考文献-科学参考

单词	population potential
释义	population potential Geography The accessibility of people from a given point. population potential, $V_{1} = \sum_{j = 1}^{n} \frac{P_{1}}{d_{i j}} = \frac{P_{1}}{d_{i 1}} + \frac{P_{2}}{d_{i 2}} + \frac{P_{3}}{d_{i 3}} . . . + \frac{P_{n}}{d_{i n}}$ where the population potential (V₁) at point i is the summation (Σ‎) of n populations (j) accessible to the point i divided by their distance (d_ij) to that point. Transport costs may be used instead of distance.
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