This paper presents the dynamic programming medol of qualitative mixture system for optimal design of the Large-medium coneyance caneyance canalengineering.
提出了大中型输配水渠道工程系统优化设计的定量定性混合系统动态规划模型。
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By 1840, use of the Wilderness Road had declined, as advances in engineering had enabled waterway travel via the Erie Canal and through the rivers of the Ohio Valley.