以下为句子列表：
英文: Acoustic properties of space inside a railcar are analyzed based FEM when frequencies are lower: 1 acoustic modal inside the railcar is calculated whether coupled or uncoupled with shell of railcar, 2 acoustic field inside the railcar is calculated when a
中文: 针对某型铁路客车应用有限无法在较低的频率範围内对客车车内的声学特性进行了研究分析，得出了客车车内流体自身的模态和液体与车体耦合后车内流体的模态，并在给定激励下计算了客车车厢内部的声场。
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英文: We report on a case of such an abnormality associated with an uncoupled course of the renal vessels in which the renal artery coursed ventrally to the vena cava.
中文: 在此我们报告一个罕见病例:所供养该异常旋转肾脏的肾血管并不是并行进入肾蒂而其中肾动脉是走在下腔静脉的腹侧。
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