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shortage
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n.不足,缺少
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详细解释：
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以下为句子列表：
英文: A chaos optimum and neural network calculation model was built based on plenty of testing data of concrete intensity to cover the shortage of single BP neural network, such as slow astringency and easy torpidity.
中文: 摘要依据混凝土标准试块强度检测数据，建立了混沌优化的神经网络计算模型，从而克服传统BP网络收敛速度慢、易出现麻痹现象等不足。
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英文: A counter theory, however, holds that a shortage of men can also be disruptive.
中文: 然而，持相反意见的理论却认为年轻男性的数目若不足，也可能造成破坏性的影响。
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英文: A dearth of students pursuing doctoral degrees in the humanities and social sciences could lead to a shortage of college professors by the turn of the century, according to a comprehensive study.
中文: 根据一项综合研究，缺少攻读人文学科和社会学科博士学位的学生可能会导致新世纪大学教授的短缺。
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英文: A global shortage of silicon, required in the production of the current generation of photovoltaic cells, is expected to last until 2010 and has led to rising production costs of traditional solar cells.
中文: 用来生产当前一代的光伏电池硅，全球资源的短缺预计会持续到2010年，这将会导致传统太阳能电池成本的上涨。
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英文: A potential shortage of coins in the United States could mean all those pennies in your piggy bank(1) could be worth five times their current value soon, says an economist at the Federal Reserve Bank of Chicago.
中文: 芝加哥联邦储备银行经济学家说，美国潜在的硬币短缺将使你存钱罐中的美分价值增长四倍。
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