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饱和状况下平面交叉口的信号控制 被引量:2
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作者 李雪佳 范小林 《毕节学院学报(综合版)》 2010年第8期89-92,共4页
针对道路交叉口在交通流处于过饱和状态,存在排队车辆且排队车辆的随机性明显减弱这一特征,建立该种状态下的交通流数学模型,利用最优控制理论来实现道路交叉口信号的优化配时。
关键词 信号控制 饱和交通流 最优控制理论 Miser
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William Blake:London VS William Wordsworth:London,1802
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作者 涂莉媛 《海外英语》 2013年第14期210-210,共1页
Blake and Wordsworth are all important representatives of romantic poets. Though Blake is 13 years older than Wordsworth, they are both concerned with human beings, especially the lives of lower class. The poem, Londo... Blake and Wordsworth are all important representatives of romantic poets. Though Blake is 13 years older than Wordsworth, they are both concerned with human beings, especially the lives of lower class. The poem, London and London,1802 were created in different time, but they both reflect the miserable lives of common people during industrial revolution period to some extent. This article compares some similarities and differences between the two poems. 展开更多
关键词 common PEOPLE miserable life INDUSTRIALIZATION CHI
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Analysis of Causes of Jennies' Miserable Destination in Jennie Gerhardt
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作者 张蕾 《海外英语》 2016年第1期174-176,共3页
Jennie Gerhardt is a representative and influential novel of Theodore Dreiser. Jennie is a sincere and kind-hearted girl with traditional virtues while she is always fooled by the fate. Her miserable destination makes... Jennie Gerhardt is a representative and influential novel of Theodore Dreiser. Jennie is a sincere and kind-hearted girl with traditional virtues while she is always fooled by the fate. Her miserable destination makes thousands of readers feel regretful. This paper will analyze the causes of Jennie's tragic destination from social factors, Jennie's personality and the hurt to Jennie from Lester and his family. By text analysis, readers can have a better understanding of the deep significance of this great work. 展开更多
关键词 SOCIAL DARWINISM miserable TRAGEDY SOCIAL class PERSONALITY unequal POSITION
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