在许多早期的研究中往往重视算法的简单性.In many earlier studies simplicity of the algorithms used has been emphasized.当然, 贪婪算法的有效性是很容易改进的.It is, of course, very easy to improve the efficiency of the greedy algorithm.最后给出了部分关键算法的详细描述和分析.Fina...
他步履艰难地走完最后两英里到了城里。He trudged the last two miles to the town.快车在3小时以内走完去渥太华的旅程.A fast train does the journey to Ottawa in three hours.快车在3小时以内走完去伦敦的旅程.A fast train does the journey to London in three hours....