Optimal location model in emergency systems often regards location problem of an given deadline.
以往的应急系统选址模型仅仅考虑在一个确定应急限制期下的选址问题。
The utility model is an optimal product for cancer prevention, health care and prolonging life.
本实用新型是防癌保健益寿之佳品。
The utility model is an optimal product for cancer prevention, health care and prolonging life.
本实用新型是防癌保健益寿之佳品。
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