水泵是应用较为广泛的一种机械设备，对其开展故障诊断研究有着非常重要的现实意义。
Pump is a widely used machine and the research on fault diagnosis, it has very important realistic significance.
因此，研究和优化当代高校教学区的交往空间有着非常重要的现实意义。
Therefore, it will have very important realistic meanings to study and optimize the association space of the teaching area of contemporary university.
对债券市场的研究有着非常重要的现实意义。
Research on the bond market has a very important practical significance.
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