国际集装箱班轮运输航线规划策略，从本质意义上说是一种条件极值问题。

The international container service layout strategy is essentially a kind of conditional extremum issue.

youdao

国际集装箱班轮运输航线规划策略，从本质意义上说是一种条件极值问题。

The international container service layout strategy is essentially a kind of conditional extremum issue.

youdao