The tiling problem is well known in mathematical model. Based on research on the tiling problem the tiling problem is generalized. The results of diversiform generalizedcase are given.
What we are talking about here is nothing else but a generalizedcase of the argument put forward for parity prices for farm products or for tariff protection for any number of X industries.
本章要谈的,无非是将主张实施农产品等位价格或对某些产业实施关税保护的论调加以扩展讨论。
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So the lesson that Newton grew in the case of gravity and Berkeley generalized as we saw in his instrumentalism.