讨论一类在交通网络中设立服务站的最优选址问题。

This paper investigates a kind of service facilities optimal location problem in traffic network.

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介绍了上海农村基层信息服务站建设的基本情况，提出了建设中存在的一些问题和对策。

The state of constructing the rural basic-level information service stations in Shanghai was introduced, and then some problems existing in the construction and some countermeasures were put forward.

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目的：了解上海市农村社区卫生服务站“提供基本药物”的现状，研讨其新时期提供基本药物问题。

Objective to learn what kinds of essential drugs that the rural community health service stations in Shanghai provide, and to study what essential drugs should be provided.

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