我试图按如下方式实施它; model.Add(sum(machine_presences[i] * intervals[i] for i in all_machine_tasks) <= horizon) 这会产生错误 arg = cmh.assert_is_a_number(arg) TypeError: Not a number: interval_j5_t11_a0 根据示例实现此功能的最佳方法是什么?例如,我是否需要在机器上为每个任务创建一个...
每当夕阳西下,太阳斜斜的挂在西山的天边,余晖笼罩着整个西山,温暖而静谧。 In Kunming, there is a kind of beauty, called the western mountain sunset. Every time the sun sets, the sun shone diagonally on the horizon of the Western Hills, and the afterglow shrouded the whole mountain. 这时的西山...