Basing on the real engineering problems, two concepts of local state maintenance and finite object control are presented in this paper.
根据实际问题的背景，分别提出了局部状态保持和有限目标控制两个问题。
A few of the properties are still being used by local sporting organizations, although the building maintenance is heavily subsidized by the state.
少数设施被仍当地体育组织使用，尽管这些建筑的维护费用是一笔沉重的负担，但国家会给予津贴。
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