理论分析表明，细长条的长度伸缩振动模式可由所述理论直接导出。
Theoretical analyses show that the one dimensional vibration model of a slender rod can be derived out from the theory.
理论分析表明，细长条的长度伸缩振动模式可由所述理论直接导出。
Theoretical analyses show that the one dimensional vibration model of a slender rod can be derived out from the theory.
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