因此，有必要开展这方面的研究。

So, it is necessary to study this.

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开展这方面的研究，可以了解回扣这种现象对社会财富分布的影响。

By the studying about this aspect, we can learn the effect of kickback on the social wealth.

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并阐明了景观可视化研究未来的发展趋势，对我国开展这方面的研究具有一定的指导意义。

The development trends of landscape visualization research were illustrated, which was of significance in the related researches in China.

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