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中国大学MOOC: From the Gravity Model equation, we can find that the value of trade between two countries depends on two important factors, one is _______ and the other is_______.

中国大学MOO
C、 From the Gravity Model equation, we can find that the value of trade between two countries depends on two important factors, one is _______ and the other is_______.

发布时间:2026-02-10 12:01:06
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答案:economic size,the distance between them.
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