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- vehicle routing problem with hard time window 有硬时间窗的车辆路径问题
- Vehicle scheduling problem with hard time windows (VSPHTW) is a variation of vehicle scheduling problem (VSP), which is a typical NP-hard problem. 带硬时间窗的车辆路径问题(VSPHTW)是在基本的车辆路径问题(VSP)上增加了时间窗约束条件的一种变化形式,是一个典型的NP难题。
- We had a hard time finding a ferry boat. 我们好不容易找到一只渡船。
- It wasn't easy scratching out a living in those hard time. 在那段艰难的日子里,糊口是很不容易的。
- The doctors were having a hard time persuading him to lie down. 医生费了好大劲才劝他躺了下来。
- He had a hard time holding on to himself. 他好不容易才把自己控制住。
- Leisure buyers spend a lot of time window shopping. 有时间空闲的购物者很多时候只看不买。
- The sailors have the hardest time when going about. 水手们逆风转向时十分艰苦。
- The baby had a hard time digesting such rich food. 婴儿很难消化如此油腻的食物。
- He had a hard time to hold on to himself . 他好不容易才控制住自己。
- I had a hard time sitting through the concert. 那场音乐会我听得实在受罪。
- OFO: Unable to get minimum quiet time window for physical volume. OFO无法获得最小安静期怎么办?
- The hard time moulded his personality. 艰难时代塑造了他的个性。
- He had a hard time to hold on to himself. 他好不容易才控制住自己。
- The drier had a hard time holding his horse in. 骑手好不容易才把他的马制服。
- The rider had a hard time holding his horse in. 骑手好不容易才把马制服。
- The police gave him a hard time. 警察使他吃了苦头。
- Blamed for the hard times, he was defeated in the1932 election. 他因这段艰难岁月受到指责,在1932年大选中败下阵来。
- Have fun while you can. The hard times is just around the corner. 趁能玩的时候多玩玩吧。辛苦的时辰不久就会到的
- I had a hard time getting him to pay up. 我好不容易让他还清了全部欠款。