The ordering lot-sizing problem of single item under fuzzy demand condition.
需求模糊情况下的单物品订购问题。
This paper investigated the safety condition and the demand of rural transportation in China.
本文对我国农民出行的需求情况、安全状况进行了深入调查。
This paper investigated the safety condition and the demand of rural transportation in China.
本文对我国农民出行的需求情况、安全状况进行了深入调查。
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