以下为句子列表：
英文: Abstract: By using the pulse-sequence model，the inverse problem of amplification of broad-spectral-bandwidth laser pulse has been studied，i.e.，to find the initial input temporal pulse profile，spatial profile，spectral distribution and fluence from the requ
中文: 文摘:采用脉冲分割模型，研究了宽频带激光脉冲放大的逆问题，即由所要求的输出激光脉冲时间、空间波形、光谱分布和能量密度，并给定放大器参数情况下，求输入激光脉冲时间波形、空间、光谱分布。
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英文: An inverse problem method is employed to determine the average magnitude of acid pollutants in groundwater in Fengshui, Zibo, Shandong.
中文: 摘要应用反问题方法探讨山东淄博市张店区沣水南部区域地下水中硫酸盐的年入渗强度的数值反演问题。
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英文: An inverse problem of a free boundary problem which arised from the flow of non-Newtonian fluids is studied.
中文: 摘要讨论了由非牛顿流体流动引起的一类自由边值问题的一个反问题。
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英文: By constructing approximate functions and using prior estimate and conversion of variable, it is proved that the inverse problem has weak solution for given initial value, boundary value and the oil output.
中文: 通过变量和函数变换，作逼近函数和估计等方法，证明了对给定的初边值和石油产量，此反问题存在弱解。
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英文: In this paper, for proving the efficiency of the best perturbation method in getting the parameter of partial differential equations, the parameter inverse problem of one dimensional wave equation is studied based on the best perturbation method, so as to
中文: 摘要为了验证最佳摄动量法在偏微分方程参数反演中的有效性，基于最佳摄动量法研究了一维波动方程参数反问题，得出了此类问题的数值解法。
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